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How to resolve Unhandled Exception errors after installing AvaTax for Sage 50 1.6.0.0?

Overview

After installing version 1.6.0.0 of the AvaTax for Sage 50 connector, you are seeing the following error message:

""Unable to load DLL w3btrv7.dll": The specified produce could not be found. Expection from HRESULT: 0x8007007F"

Environment

AvaTax for Sage 50 1.6.0.0

Resolution

  • Navigate to the following directory: C:\Program Files(x86)\Avalara\AvaTax for Sage 50 

    • Rename the file w3btrv7.dll to w3btrv7x.dll.