Error in read modbus data

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.

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