How To Fix /SAPAPO/PE204 - Only use letters (A-Z) or numbers (0-9)

/SAPAPO/PE204 - Overview

• Message type: E = Error

• Message class: /SAPAPO/PE -

• Message number: 204

• Message text: Only use letters (A-Z) or numbers (0-9)

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.

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/SAPAPO/PE204 - Details

• The SAP error message /SAPAPO/PE204 indicates that a certain input field is restricted to only letters (A-Z) and numbers (0-9). This error typically occurs in the context of SAP Advanced Planning and Optimization (APO) when a user attempts to enter invalid characters in a field that has strict validation rules.
  
  Cause:
  The error is triggered when:
  
  The user inputs special characters, spaces, or any other symbols that are not alphanumeric in a field that only accepts letters and numbers.
  This can happen in various scenarios, such as entering a product ID, location code, or any other identifier that is expected to conform to this alphanumeric format.
  
  
  Solution:
  To resolve this error, you should:
  
  Check Input: Review the input you are trying to enter in the field. Ensure that it contains only letters (A-Z) and numbers (0-9).
  Remove Invalid Characters: If there are any special characters, spaces, or punctuation marks, remove them and re-enter the data.
  Follow Naming Conventions: Make