# Error in read modbus data

**URL:** https://discourse.nodered.org/t/error-in-read-modbus-data/15721
**Category:** General
**Created:** [20 September 2019 11:46 UTC](https://discourse.nodered.org/t/error-in-read-modbus-data/15721 "2019-09-20T11:46:58Z")
**Posts on this page:** 2
**Page:** 1

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### Author: ![chirag](https://avatars.discourse-cdn.com/v4/letter/c/ecccb3/32.png) [@chirag](https://discourse.nodered.org/u/chirag)
#### Post date: [20 September 2019 11:46 UTC](https://discourse.nodered.org/t/error-in-read-modbus-data/15721/1 "2019-09-20T11:46:58Z")

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i read the data using **node-red-contrib-modbus** and it is working.  
but after any change in flow(deploy) its not working and showing error **Error: Cannot find module 'fs-extra'**.  
after restart the node-red it will work.  
pl give solution for the same.

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### Author: ![ukmoose](https://sea2.discourse-cdn.com/flex026/user_avatar/discourse.nodered.org/ukmoose/32/13_2.png) [@ukmoose](https://discourse.nodered.org/u/ukmoose)
#### Post date: [20 September 2019 11:48 UTC](https://discourse.nodered.org/t/error-in-read-modbus-data/15721/2 "2019-09-20T11:48:46Z")

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sounds like something you need to flag to the nodes author

You can open an issue on the nodes github page by following a link from the nodes page on [flows.nodered.org](http://flows.nodered.org)