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Avalara Help Center

How do I resolve 'Index and Length must refer to a location within the string. Parameter name: Length'?

Overview

You are trying to file for a company, and you are seeing an error:  Index and Length must refer to a location within the string. Parameter name: Length

Environment

TrustFile

Resolution

  • This indicates your company Primary Business Address, Default Address and Default Destination Address is blank
    • Click  SettingsCompany Settings > complete the information > Save

  • Complete your filing once the address is updated.
    • If the error appears even though you have completed your address, please contact us