Message type: E = Error
Message class: BC - Scheduler (calendar)
Message number: 158
Message text: User &1 may not substitute for user &1
You require a special authorization to change a group appointment that
you have not created yourself. You do not have this authorization.
The date is not changed.
The system issues an error message and will not allow you to continue with this transaction until the error is resolved.
Error message extract from SAP system. Copyright SAP SE.
BC158
- User &1 may not substitute for user &1 ?The SAP error message BC158 indicates that a user is attempting to substitute themselves, which is not allowed. The message reads: "User &1 may not substitute for user &1." This typically occurs in the context of workflow or task management within SAP, where substitution is used to delegate tasks from one user to another.
Cause: The error occurs when: A user tries to set up a substitution for themselves. In SAP, a user cannot substitute themselves because it would create a logical inconsistency in the workflow or task assignment. The system is configured to prevent self-substitution for security and process integrity reasons.
Solution: To resolve this error, the user should: Choose a Different User for Substitution: Instead of trying to substitute themselves, the user should select another user who will take over their tasks during their absence. Check Substitution Settings: Ensure that the substitution is set up correctly in the SAP system. This can typically be done in
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