# Error registering plugin, Pipeline aborted due to error (\<TypeError: can't dup Fixnum\>), Failed to execute action

**URL:** <https://discuss.elastic.co/t/error-registering-plugin-pipeline-aborted-due-to-error-typeerror-cant-dup-fixnum-failed-to-execute-action/128987>\
**Category:** Logstash\
**Created:** [April 22, 2018, 3:45am UTC](https://discuss.elastic.co/t/error-registering-plugin-pipeline-aborted-due-to-error-typeerror-cant-dup-fixnum-failed-to-execute-action/128987 "2018-04-22T03:45:32Z")\
**Posts on this page:** 1\
**Showing post:** 4

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**Author:** ![chu](https://avatars.discourse-cdn.com/v4/letter/c/dfb087/32.png) [@chu](https://discuss.elastic.co/u/chu)\
**Post date:** [April 26, 2018, 7:26am UTC](https://discuss.elastic.co/t/error-registering-plugin-pipeline-aborted-due-to-error-typeerror-cant-dup-fixnum-failed-to-execute-action/128987/4 "2018-04-26T07:26:50Z")

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Hi Jenni,  
Thanks for your help. I add `clean_run => true` in conf file and run logstash again, no more error occurs.  
So I think: in my issue, sql\_last\_value stored in last\_run\_metadata\_path is not the numeric value or datetime value, after `clean_run => true` reseted the wrong value to 0 or 1970-01-01 , the thread goes on and data be indexed successfully, am I right?

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