# Modbus Failure on State Sending

**URL:** <https://discourse.nodered.org/t/modbus-failure-on-state-sending/53942>\
**Category:** General\
**Created:** [18 November 2021 13:55 UTC](https://discourse.nodered.org/t/modbus-failure-on-state-sending/53942 "2021-11-18T13:55:14Z")\
**Posts on this page:** 1\
**Showing post:** 8

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**Author:** ![traderjoe](https://avatars.discourse-cdn.com/v4/letter/t/f9ae1b/32.png) [@traderjoe](https://discourse.nodered.org/u/traderjoe)\
**Post date:** [19 November 2021 19:51 UTC](https://discourse.nodered.org/t/modbus-failure-on-state-sending/53942/8 "2021-11-19T19:51:34Z")

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Hi,  
I'm on 5.13 nodes. I'm having trouble updating it to 5.15.

According to the debug messages, its happening with the flex write nodes. The project still works, but those warnings do concern me a bit. Thanks.

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