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How to resolve error 374 and error Method - TVARINV_Open_click in Sage 300 6.1?


When using AR batches Sage 300 2012 can encounter error code 374, followed by Method - TVARINV_Open_click.


Sage 300


  • You need to update to the latest version of the AvaTax for Sage 300 integration.
  • The new version uses the native screens and cannot encounter this error.