Message type: E = Error
Message class: CN - Meldungen für Netzpläne
Message number: 101
Message text: You have not marked an assignment
Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.
To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.
Unfortunately, there isn't any extra information in this error notice.
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The SAP error message CN101 ("You have not marked an assignment") typically occurs in the context of project management or controlling when you are trying to assign costs or resources to a project or internal order, but the system requires that you first mark the assignment before proceeding.
Cause: Unmarked Assignment: The most common cause of this error is that the assignment of costs or resources to a project or internal order has not been marked or confirmed in the system. Missing Data: There may be missing or incomplete data in the assignment that needs to be addressed before the system allows you to proceed. Authorization Issues: Sometimes, the user may not have the necessary authorizations to mark the assignment.
Solution: Mark the Assignment: Go to the relevant transaction (e.g., CJ20N for project management). Ensure that you have selected the correct project or internal order. Look for an option to mark or confirm the assignment. This may involve
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