What does error "ExemptionNo must be between 0 and 25 characters" mean?

Overview

We received an error stating "ExemptionNo must be between 0 and 25 characters". What caused this error message?

Environment

Avalara AvaTax

Resolution

• The Exemption Number field must have an entry and cannot exceed 25 characters.  
• To resolve this error you will need to shorten the ExemptionNo to be 25 characters or less or enter at least one number or letter for the Exemption number