Message type: E = Error
Message class: /SAPAPO/AMON -
Message number: 016
Message text: Enter a planning book first
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/SAPAPO/AMON016
- Enter a planning book first ?The SAP error message /SAPAPO/AMON016 Enter a planning book first typically occurs in the context of SAP Advanced Planning and Optimization (APO) when a user attempts to access a planning function or transaction that requires a planning book to be specified, but none has been provided.
Cause: No Planning Book Selected: The most common cause of this error is that the user has not selected a planning book before trying to execute a function that requires it. Incorrect Transaction Usage: The user may be using a transaction or function that inherently requires a planning book, but they are not aware of this requirement. User Authorization Issues: In some cases, the user may not have the necessary authorizations to access the planning books, leading to the system not recognizing any available planning books.
Solution: Select a Planning Book: Before executing the transaction or function, ensure that you have selected a valid planning book. This can usually be
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