How To Fix /SAPAPO/PUIA_MESS252 - '*' is not a valid entry

/SAPAPO/PUIA_MESS252 - Overview

• Message type: E = Error

• Message class: /SAPAPO/PUIA_MESS -

• Message number: 252

• Message text: '*' is not a valid entry

Self-Explanatory Message

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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/SAPAPO/PUIA_MESS252 - Details

• The SAP error message /SAPAPO/PUIA_MESS252 '*' is not a valid entry typically occurs in the context of SAP Advanced Planning and Optimization (APO) when a user attempts to input a value that is not recognized or valid within the system. This error can arise in various scenarios, such as when entering data in planning books, key figures, or during data uploads.
  
  Cause:
  
  Invalid Input: The asterisk (*) is often used as a wildcard character in many systems, but in this context, it may not be a valid entry for the field you are trying to populate.
  Field Restrictions: The field may have specific restrictions on the type of data that can be entered (e.g., numeric values, specific formats).
  
  Configuration Issues: There may be configuration settings in the APO system that restrict certain entries or require specific formats.
  Data Type Mismatch: The input may not match the expected data type for the field (e.g., entering a