Message type: E = Error
Message class:  GB - Messages used by the Boolean code generator 
Message number: 158
Message text: No authorization to create substitutions
You have tried to create a substitution, but need authorization to do
so.
The system rejected your attempt since you do not have the necessary
authorization.
If you want to create substitutions, you must obtain the necessary
authorization from your system administrator.
Error message extract from SAP system. Copyright SAP SE.
The SAP error message GB158, which states "No authorization to create substitutions," typically occurs when a user attempts to create a substitution in the SAP system but lacks the necessary authorizations to perform this action. This error is commonly encountered in the context of SAP's workflow and substitution functionalities, where users can delegate their tasks to others.
Cause: The primary cause of this error is insufficient authorization in the user's role or profile. Specifically, the user does not have the required permissions to create or manage substitutions in the SAP system. This can happen due to: Missing Authorization Objects: The user’s role may not include the necessary authorization objects related to substitution management. Role Configuration: The roles assigned to the user may not be configured correctly to allow substitution creation. Profile Issues: The user profile may not be updated or may not include the necessary permissions.
Solution: To resolve the GB158 error, you can take the following
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