Kapacitor_Udf : Warning: more than 10 function and gradient

Hello, When I try to run Kapoacitor Udf for SARIMAX model, I got this error:
Sameone can help me ?
Thanks

ts=2018-09-25T18:49:47.403+02:00 lvl=info msg=“UDF log” service=kapacitor task_master=main task=sarimax_sinus node=sarimax2 text=" Line search cannot locate an adequate point after 20 function"
ts=2018-09-25T18:49:47.403+02:00 lvl=info msg=“UDF log” service=kapacitor task_master=main task=sarimax_sinus node=sarimax2 text=" and gradient evaluations. Previous x, f and g restored."
ts=2018-09-25T18:49:47.403+02:00 lvl=info msg=“UDF log” service=kapacitor task_master=main task=sarimax_sinus node=sarimax2 text=" Possible causes: 1 error in function or gradient evaluation;"
ts=2018-09-25T18:49:47.403+02:00 lvl=info msg=“UDF log” service=kapacitor task_master=main task=sarimax_sinus node=sarimax2 text=" 2 rounding error dominate computation."
ts=2018-09-25T18:49:47.403+02:00 lvl=info msg=“UDF log” service=kapacitor task_master=main task=sarimax_sinus node=sarimax2 text=" This problem is unconstrained."
ts=2018-09-25T18:49:47.403+02:00 lvl=info msg=“UDF log” service=kapacitor task_master=main task=sarimax_sinus node=sarimax2 text=
ts=2018-09-25T18:49:47.403+02:00 lvl=info msg=“UDF log” service=kapacitor task_master=main task=sarimax_sinus node=sarimax2 text=" Warning: more than 10 function and gradient"
ts=2018-09-25T18:49:47.403+02:00 lvl=info msg=“UDF log” service=kapacitor task_master=main task=sarimax_sinus node=sarimax2 text=" evaluations in the last line search. Termination"
ts=2018-09-25T18:49:47.403+02:00 lvl=info msg=“UDF log” service=kapacitor task_master=main task=sarimax_sinus node=sarimax2 text=" may possibly be caused by a bad search direction."
ts=2018-09-25T18:49:47.403+02:00 lvl=info msg=“UDF log” service=kapacitor task_master=main task=sarimax_sinus node=sarimax2 text=" This problem is unconstrained."
ts=2018-09-25T18:49:47.403+02:00 lvl=info msg=“UDF log” service=kapacitor task_master=main task=sarimax_sinus node=sarimax2 text=
ts=2018-09-25T18:49:47.403+02:00 lvl=info msg=“UDF log” service=kapacitor task_master=main task=sarimax_sinus node=sarimax2 text=" Warning: more than 10 function and gradient"
ts=2018-09-25T18:49:47.403+02:00 lvl=info msg=“UDF log” service=kapacitor task_master=main task=sarimax_sinus node=sarimax2 text=" evaluations in the last line search. Termination"
ts=2018-09-25T18:49:47.403+02:00 lvl=info msg=“UDF log” service=kapacitor task_master=main task=sarimax_sinus node=sarimax2 text=" may possibly be caused by a bad search direction."
ts=2018-09-25T18:49:47.403+02:00 lvl=info msg=“UDF log” service=kapacitor task_master=main task=sarimax_sinus node=sarimax2 text=" This problem is unconstrained."
ts=2018-09-25T18:49:47.403+02:00 lvl=info msg=“UDF log” service=kapacitor task_master=main task=sarimax_sinus node=sarimax2 text=
ts=2018-09-25T18:49:47.403+02:00 lvl=info msg=“UDF log” service=kapacitor task_master=main task=sarimax_sinus node=sarimax2 text=" Warning: more than 10 function and gradient"
ts=2018-09-25T18:49:47.403+02:00 lvl=info msg=“UDF log” service=kapacitor task_master=main task=sarimax_sinus node=sarimax2 text=" evaluations in the last line search. Termination"
ts=2018-09-25T18:49:47.403+02:00 lvl=info msg=“UDF log” service=kapacitor task_master=main task=sarimax_sinus node=sarimax2 text=" may possibly be caused by a bad search direction."
ts=2018-09-25T18:49:47.403+02:00 lvl=info msg=“UDF log” service=kapacitor task_master=main task=sarimax_sinus node=sarimax2 text=" This problem is unconstrained."
ts=2018-09-25T18:49:47.403+02:00 lvl=info msg=“UDF log” service=kapacitor task_master=main task=sarimax_sinus node=sarimax2 text=
ts=2018-09-25T18:49:47.403+02:00 lvl=info msg=“UDF log” service=kapacitor task_master=main task=sarimax_sinus node=sarimax2 text=" Warning: more than 10 function and gradient"
ts=2018-09-25T18:49:47.403+02:00 lvl=info msg=“UDF log” service=kapacitor task_master=main task=sarimax_sinus node=sarimax2 text=" evaluations in the last line search. Termination"
ts=2018-09-25T18:49:47.403+02:00 lvl=info msg=“UDF log” service=kapacitor task_master=main task=sarimax_sinus node=sarimax2 text=" may possibly be caused by a bad search direction."
ts=2018-09-25T18:49:47.403+02:00 lvl=info msg=“UDF log” service=kapacitor task_master=main task=sarimax_sinus node=sarimax2 text=" This problem is unconstrained."
ts=2018-09-25T18:49:47.403+02:00 lvl=info msg=“UDF log” service=kapacitor task_master=main task=sarimax_sinus node=sarimax2 text=
ts=2018-09-25T18:49:47.403+02:00 lvl=info msg=“UDF log” service=kapacitor task_master=main task=sarimax_sinus node=sarimax2 text=" Warning: more than 10 function and gradient"
ts=2018-09-25T18:49:47.403+02:00 lvl=info msg=“UDF log” service=kapacitor task_master=main task=sarimax_sinus node=sarimax2 text=" evaluations in the last line search. Termination"
ts=2018-09-25T18:49:47.403+02:00 lvl=info msg=“UDF log” service=kapacitor task_master=main task=sarimax_sinus node=sarimax2 text=" may possibly be caused by a bad search direction."
ts=2018-09-25T18:49:47.403+02:00 lvl=info msg=“UDF log” service=kapacitor task_master=main task=sarimax_sinus node=sarimax2 text=" This problem is unconstrained."
ts=2018-09-25T18:49:47.403+02:00 lvl=info msg=“UDF log” service=kapacitor task_master=main task=sarimax_sinus node=sarimax2 text=
ts=2018-09-25T18:49:47.403+02:00 lvl=info msg=“UDF log” service=kapacitor task_master=main task=sarimax_sinus node=sarimax2 text=" Warning: more than 10 function and gradient"
ts=2018-09-25T18:49:47.403+02:00 lvl=info msg=“UDF log” service=kapacitor task_master=main task=sarimax_sinus node=sarimax2 text=" evaluations in the last line search. Termination"
ts=2018-09-25T18:49:47.403+02:00 lvl=info msg=“UDF log” service=kapacitor task_master=main task=sarimax_sinus node=sarimax2 text=" may possibly be caused by a bad search direction."
ts=2018-09-25T18:49:47.403+02:00 lvl=info msg=“UDF log” service=kapacitor task_master=main task=sarimax_sinus node=sarimax2 text=" This problem is unconstrained."
ts=2018-09-25T18:49:47.403+02:00 lvl=info msg=“UDF log” service=kapacitor task_master=main task=sarimax_sinus node=sarimax2 text=" This problem is unconstrained."
ts=2018-09-25T18:49:47.403+02:00 lvl=info msg=“UDF log” service=kapacitor task_master=main task=sarimax_sinus node=sarimax2 text=" This problem is unconstrained."
ts=2018-09-25T18:49:47.403+02:00 lvl=info msg=“UDF log” service=kapacitor task_master=main task=sarimax_sinus node=sarimax2 text=
ts=2018-09-25T18:49:47.403+02:00 lvl=info msg=“UDF log” service=kapacitor task_master=main task=sarimax_sinus node=sarimax2 text=" Warning: more than 10 function and gradient"
ts=2018-09-25T18:49:47.404+02:00 lvl=info msg=“UDF log” service=kapacitor task_master=main task=sarimax_sinus node=sarimax2 text=" evaluations in the last line search. Termination"
ts=2018-09-25T18:49:47.404+02:00 lvl=info msg=“UDF log” service=kapacitor task_master=main task=sarimax_sinus node=sarimax2 text=" may possibly be caused by a bad search direction."
ts=2018-09-25T18:49:47.404+02:00 lvl=info msg=“UDF log” service=kapacitor task_master=main task=sarimax_sinus node=sarimax2 text=" This problem is unconstrained."
ts=2018-09-25T18:49:47.404+02:00 lvl=info msg=“UDF log” service=kapacitor task_master=main task=sarimax_sinus node=sarimax2 text=
ts=2018-09-25T18:49:47.404+02:00 lvl=info msg=“UDF log” service=kapacitor task_master=main task=sarimax_sinus node=sarimax2 text=" Warning: more than 10 function and gradient"
ts=2018-09-25T18:49:47.404+02:00 lvl=info msg=“UDF log” service=kapacitor task_master=main task=sarimax_sinus node=sarimax2 text=" evaluations in the last line search. Termination"
ts=2018-09-25T18:49:47.404+02:00 lvl=info msg=“UDF log” service=kapacitor task_master=main task=sarimax_sinus node=sarimax2 text=" may possibly be caused by a bad search direction."
ts=2018-09-25T18:49:47.404+02:00 lvl=info msg=“UDF log” service=kapacitor task_master=main task=sarimax_sinus node=sarimax2 text=" This problem is unconstrained."
ts=2018-09-25T18:49:47.404+02:00 lvl=info msg=“UDF log” service=kapacitor task_master=main task=sarimax_sinus node=sarimax2 text=
ts=2018-09-25T18:49:47.404+02:00 lvl=info msg=“UDF log” service=kapacitor task_master=main task=sarimax_sinus node=sarimax2 text=" Line search cannot locate an adequate point after 20 function"
ts=2018-09-25T18:49:47.404+02:00 lvl=info msg=“UDF log” service=kapacitor task_master=main task=sarimax_sinus node=sarimax2 text=" and gradient evaluations. Previous x, f and g restored."
ts=2018-09-25T18:49:47.404+02:00 lvl=info msg=“UDF log” service=kapacitor task_master=main task=sarimax_sinus node=sarimax2 text=" Possible causes: 1 error in function or gradient evaluation;"
ts=2018-09-25T18:49:50.051+02:00 lvl=info msg=“http request” service=http host=::1 username=- start=2018-09-25T18:49:50.028768377+02:00 method=POST uri=/write?consistency=&db=_internal&precision=ns&rp=monitor protocol=HTTP/1.1 status=204 referer=- user-agent=InfluxDBClient request-id=047e2ec8-c0e3-11e8-8019-000000000000 duration=22.564531ms
ts=2018-09-25T18:49:50.248+02:00 lvl=info msg=“UDF log” service=kapacitor task_master=main task=sarimax_sinus node=sarimax2 text=“2018-09-25 18:49:50,248 DEBUG:root: results mod <statsmodels.tsa.statespace.sarimax.SARIMAXResultsWrapper object at 0x7f1e6ba1c990>”
ts=2018-09-25T18:49:50.254+02:00 lvl=info msg=“UDF log” service=kapacitor task_master=main task=sarimax_sinus node=sarimax2 text=“2018-09-25 18:49:50,254 DEBUG:root: bestAIC -9781.69221660647”
ts=2018-09-25T18:49:50.254+02:00 lvl=info msg=“UDF log” service=kapacitor task_master=main task=sarimax_sinus node=sarimax2 text=“2018-09-25 18:49:50,254 DEBUG:root: bestParam (0, 0, 0)”
ts=2018-09-25T18:49:50.254+02:00 lvl=info msg=“UDF log” service=kapacitor task_master=main task=sarimax_sinus node=sarimax2 text=“2018-09-25 18:49:50,254 DEBUG:root: bestSParam (2, 1, 1, 12)”
ts=2018-09-25T18:49:50.302+02:00 lvl=info msg=“http request” service=http host=::1 username=- start=2018-09-25T18:49:50.301901167+02:00 method=POST uri=/write?consistency=&db=telegraf&precision=ns&rp=autogen protocol=HTTP/1.1 status=204 referer=- user-agent=InfluxDBClient request-id=04a7dc08-c0e3-11e8-801a-000000000000 duration=399.923µs
ts=2018-09-25T18:49:50.772+02:00 lvl=info msg=“UDF log” service=kapacitor task_master=main task=sarimax_sinus node=sarimax2 text=“2018-09-25 18:49:50,771 DEBUG:root: results mod <statsmodels.tsa.statespace.sarimax.SARIMAXResultsWrapper object at 0x7f1e6ba1c910>”
ts=2018-09-25T18:49:50.784+02:00 lvl=info msg=“UDF log” service=kapacitor task_master=main task=sarimax_sinus node=sarimax2 text=“2018-09-25 18:49:50,784 DEBUG:root: bestAIC -9781.69221660647”
ts=2018-09-25T18:49:50.784+02:00 lvl=info msg=“UDF log” service=kapacitor task_master=main task=sarimax_sinus node=sarimax2 text=“2018-09-25 18:49:50,784 DEBUG:root: bestParam (0, 0, 0)”
ts=2018-09-25T18:49:50.784+02:00 lvl=info msg=“UDF log” service=kapacitor task_master=main task=sarimax_sinus node=sarimax2 text=“2018-09-25 18:49:50,784 DEBUG:root: bestSParam (2, 1, 1, 12)”
ts=2018-09-25T18:49:51.376+02:00 lvl=info msg=“UDF log” service=kapacitor task_master=main task=sarimax_sinus node=sarimax2 text=“2018-09-25 18:49:51,375 DEBUG:root: results mod <statsmodels.tsa.statespace.sarimax.SARIMAXResultsWrapper object at 0x7f1e6ba1cbd0>”
ts=2018-09-25T18:49:51.404+02:00 lvl=info msg=“UDF log” service=kapacitor task_master=main task=sarimax_sinus node=sarimax2 text=“2018-09-25 18:49:51,404 DEBUG:root: bestAIC -9781.69221660647”
ts=2018-09-25T18:49:51.404+02:00 lvl=info msg=“UDF log” service=kapacitor task_master=main task=sarimax_sinus node=sarimax2 text=“2018-09-25 18:49:51,404 DEBUG:root: bestParam (0, 0, 0)”
ts=2018-09-25T18:49:51.404+02:00 lvl=info msg=“UDF log” service=kapacitor task_master=main task=sarimax_sinus node=sarimax2 text=“2018-09-25 18:49:51,404 DEBUG:root: bestSParam (2, 1, 1, 12)”
ts=2018-09-25T18:49:52.310+02:00 lvl=info msg=“UDF log” service=kapacitor task_master=main task=sarimax_sinus node=sarimax2 text=“2018-09-25 18:49:52,309 DEBUG:root: results mod <statsmodels.tsa.statespace.sarimax.SARIMAXResultsWrapper object at 0x7f1e6ba1c810>”
ts=2018-09-25T18:49:52.338+02:00 lvl=info msg=“UDF log” service=kapacitor task_master=main task=sarimax_sinus node=sarimax2 text=“2018-09-25 18:49:52,338 DEBUG:root: bestAIC -9781.69221660647”
ts=2018-09-25T18:49:52.349+02:00 lvl=info msg=“UDF log” service=kapacitor task_master=main task=sarimax_sinus node=sarimax2 text=“2018-09-25 18:49:52,348 DEBUG:root: bestParam (0, 0, 0)”
ts=2018-09-25T18:49:52.349+02:00 lvl=info msg=“UDF log” service=kapacitor task_master=main task=sarimax_sinus node=sarimax2 text=“2018-09-25 18:49:52,349 DEBUG:root: bestSParam (2, 1, 1, 12)”
ts=2018-09-25T18:49:52.578+02:00 lvl=info msg=“UDF log” service=kapacitor task_master=main task=sarimax_sinus node=sarimax2 text=“2018-09-25 18:49:52,578 DEBUG:root: results mod <statsmodels.tsa.statespace.sarimax.SARIMAXResultsWrapper object at 0x7f1e6ba1cbd0>”
ts=2018-09-25T18:49:52.579+02:00 lvl=info msg=“UDF log” service=kapacitor task_master=main task=sarimax_sinus node=sarimax2 text=“2018-09-25 18:49:52,579 DEBUG:root: bestAIC -9781.69221660647”
ts=2018-09-25T18:49:52.579+02:00 lvl=info msg=“UDF log” service=kapacitor task_master=main task=sarimax_sinus node=sarimax2 text=“2018-09-25 18:49:52,579 DEBUG:root: bestParam (0, 0, 0)”
ts=2018-09-25T18:49:52.579+02:00 lvl=info msg=“UDF log” service=kapacitor task_master=main task=sarimax_sinus node=sarimax2 text=“2018-09-25 18:49:52,579 DEBUG:root: bestSParam (2, 1, 1, 12)”
ts=2018-09-25T18:49:53.094+02:00 lvl=info msg=“UDF log” service=kapacitor task_master=main task=sarimax_sinus node=sarimax2 text=“2018-09-25 18:49:53,094 DEBUG:root: results mod <statsmodels.tsa.statespace.sarimax.SARIMAXResultsWrapper object at 0x7f1e6ba1ce90>”
ts=2018-09-25T18:49:53.095+02:00 lvl=info msg=“UDF log” service=kapacitor task_master=main task=sarimax_sinus node=sarimax2 text=“2018-09-25 18:49:53,095 DEBUG:root: bestAIC -9781.69221660647”
ts=2018-09-25T18:49:53.095+02:00 lvl=info msg=“UDF log” service=kapacitor task_master=main task=sarimax_sinus node=sarimax2 text=“2018-09-25 18:49:53,095 DEBUG:root: bestParam (0, 0, 0)”
ts=2018-09-25T18:49:53.096+02:00 lvl=info msg=“UDF log” service=kapacitor task_master=main task=sarimax_sinus node=sarimax2 text=“2018-09-25 18:49:53,095 DEBUG:root: bestSParam (2, 1, 1, 12)”
ts=2018-09-25T18:49:57.063+02:00 lvl=info msg=“UDF log” service=kapacitor task_master=main task=sarimax_sinus node=sarimax2 text=“2018-09-25 18:49:57,062 DEBUG:root: results mod <statsmodels.tsa.statespace.sarimax.SARIMAXResultsWrapper object at 0x7f1e6ba1cc10>”
ts=2018-09-25T18:49:57.067+02:00 lvl=info msg=“UDF log” service=kapacitor task_master=main task=sarimax_sinus node=sarimax2 text=“2018-09-25 18:49:57,067 DEBUG:root: bestAIC -9781.69221660647”
ts=2018-09-25T18:49:57.067+02:00 lvl=info msg=“UDF log” service=kapacitor task_master=main task=sarimax_sinus node=sarimax2 text=“2018-09-25 18:49:57,067 DEBUG:root: bestParam (0, 0, 0)”
ts=2018-09-25T18:49:57.068+02:00 lvl=info msg=“UDF log” service=kapacitor task_master=main task=sarimax_sinus node=sarimax2 text=“2018-09-25 18:49:57,067 DEBUG:root: bestSParam (2, 1, 1, 12)”
ts=2018-09-25T18:49:57.665+02:00 lvl=info msg=“UDF log” service=kapacitor task_master=main task=sarimax_sinus node=sarimax2 text=“2018-09-25 18:49:57,665 DEBUG:root: results mod <statsmodels.tsa.statespace.sarimax.SARIMAXResultsWrapper object at 0x7f1e6ba1c5d0>”
ts=2018-09-25T18:49:57.666+02:00 lvl=info msg=“UDF log” service=kapacitor task_master=main task=sarimax_sinus node=sarimax2 text=“2018-09-25 18:49:57,666 DEBUG:root: bestAIC -9781.69221660647”
ts=2018-09-25T18:49:57.667+02:00 lvl=info msg=“UDF log” service=kapacitor task_master=main task=sarimax_sinus node=sarimax2 text=“2018-09-25 18:49:57,666 DEBUG:root: bestParam (0, 0, 0)”
ts=2018-09-25T18:49:57.667+02:00 lvl=info msg=“UDF log” service=kapacitor task_master=main task=sarimax_sinus node=sarimax2 text=“2018-09-25 18:49:57,667 DEBUG:root: bestSParam (2, 1, 1, 12)”