I used the tuning with gemini-1.0-pro-002 with basic log data. the tuning completed and when I use the prompt to query the model, I get a null error as below

jsonl structure used for tuning

{"messages": [{"role": "system", "content": "you should give the detailed explanation of the logs"}, {"role": "user", "content": "2017-11-29 19:22:31,581 [main] INFO  (LoggingHelper.java:23) - This is info  log ...n 2017-11-29 19:22:31,581 [main] WARN  (LoggingHelper.java:26) - This is warn log ...n 2017-11-29 19:22:31,581 [main] ERROR (LoggingHelper.java:27) - This is error log... n 2017-11-29 19:22:31,582 [main] FATAL (LoggingHelper.java:28) - This is fatal log ...n 2017-11-29 19:23:44,026 [main] DEBUG (LoggingHelper.java:19) - This is debug log..n 2017-11-29 19:23:44,028 [main] INFO  (LoggingHelper.java:23) - This is info  log ...n 2017-11-29 19:23:44,028 [main] WARN  (LoggingHelper.java:26) - This is warn log ...n 2017-11-29 19:23:44,028 [main] ERROR (LoggingHelper.java:27) - This is error log... n 2017-11-29 19:25:15,181 [main] ERROR (LogginHelperOps.java:15) - Sorry, something wrong in your calculation!n java.lang.ArithmeticException: / by zeron   at com.itos.LogginHelperOps.divide(LogginHelperOps.java:23)n   at com.itos.LogginHelperOps.main(LogginHelperOps.java:13)n 2017-11-29 19:23:44,028 [main] INFO  (LoggingHelper.java:23) - This is info  log ...n 2017-11-29 19:23:44,028 [main] INFO  (LoggingHelper.java:23) - This is info  log ...n 2017-11-29 19:23:44,028 [main] INFO  (LoggingHelper.java:23) - This is info  log ...n 2017-11-29 19:23:44,028 [main] INFO  (LoggingHelper.java:23) - This is info  log ..."}, {"role": "model", "content": "#code#: LogginHelperOps.java:15n#dbtables#:projectx_mathsn #solution#: The value should not be less than 1 for height column in projectx_maths table "}]}

ERROR

What am I missing here.
Any suggestions will be of much help?