# NoMethodError: "undefined method 'to\_hash'" with CSV input in Logstash 5.6.2

**URL:** <https://discuss.elastic.co/t/nomethoderror-undefined-method-to-hash-with-csv-input-in-logstash-5-6-2/103545>\
**Category:** Logstash\
**Created:** [October 11, 2017, 12:36pm UTC](https://discuss.elastic.co/t/nomethoderror-undefined-method-to-hash-with-csv-input-in-logstash-5-6-2/103545 "2017-10-11T12:36:01Z")\
**Posts on this page:** 1\
**Showing post:** 8

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**Author:** ![Celso\_Santos](https://avatars.discourse-cdn.com/v4/letter/c/e68b1a/32.png) [@Celso\_Santos](https://discuss.elastic.co/u/Celso_Santos)\
**Post date:** [October 19, 2017, 10:56am UTC](https://discuss.elastic.co/t/nomethoderror-undefined-method-to-hash-with-csv-input-in-logstash-5-6-2/103545/8 "2017-10-19T10:56:48Z")

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I too am facing this issue.

Also, I believe this might be relevant: [Logstash v5.6.3 won't start if debug logging is on](https://discuss.elastic.co/t/logstash-v5-6-3-wont-start-if-debug-logging-is-on/103817)

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