Message type: E = Error
Message class: PA - Recruitment Messages
Message number: 161
Message text: Not possible to change start: Activities exist for the application
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PA161
- Not possible to change start: Activities exist for the application ?The SAP error message PA161, which states "Not possible to change start: Activities exist for the application," typically occurs in the context of project management or activity management within SAP. This error indicates that there are existing activities associated with a project or task that prevent changes to the start date or other related attributes.
Cause: Existing Activities: The primary cause of this error is that there are one or more activities linked to the project or task that you are trying to modify. These activities may have their own start dates, end dates, or other dependencies that prevent changes to the parent project or task. Status of Activities: If the activities are in a status that does not allow changes (e.g., completed or closed), this can also trigger the error. Dependencies: There may be dependencies between activities that restrict changes to the start date of the parent project or task.
Solution: To resolve the PA161
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