How To Fix GB221 - Substitution is not supported in application selected

GB221 - Overview

• Message type: E = Error

• Message class: GB - Messages used by the Boolean code generator

• Message number: 221

• Message text: Substitution is not supported in application selected

What causes this issue?

You have choosen an application which does not support substitutions.

System Response

An activation user interface does not exist. That is why your entry
was rejected.

How to fix this error?

Select a different object which is supported by the choosen application
or choose a different application.

Error message extract from SAP system. Copyright SAP SE.

GB221 - Details

• The SAP error message GB221, which states "Substitution is not supported in application selected," typically occurs in the context of SAP's substitution functionality, particularly when working with financial documents or other applications that involve data entry and processing.
  
  Cause:
  The error usually arises due to one of the following reasons:
  
  
  Incompatible Application: The application or transaction you are using does not support the substitution functionality. Substitution is often limited to specific applications within SAP, and if you attempt to use it in an unsupported context, this error will occur.
  
  
  
  Configuration Issues: There may be a configuration issue in the substitution settings. If the substitution rules are not properly defined or activated for the specific application, the system will not allow substitutions.
  
  
  User Authorizations: The user may not have the necessary authorizations to perform substitutions in the selected application.
  
  
  
  Solution:
  To resolve the GB221 error, you can take the following steps:
  
  
  Check Application Compatibility: Verify that the application or