How To Fix /SAPAPO/MA521 - Enter numbers only in the "Weighting" field

/SAPAPO/MA521 - Overview

• Message type: E = Error

• Message class: /SAPAPO/MA -

• Message number: 521

• Message text: Enter numbers only in the "Weighting" field

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/MA521 - Enter numbers only in the "Weighting" field ?

  The SAP error message /SAPAPO/MA521 Enter numbers only in the "Weighting" field typically occurs in the context of SAP Advanced Planning and Optimization (APO) when a user attempts to input a non-numeric value into a field that is expected to contain numeric data, specifically in the "Weighting" field.
  
  Cause:
  
  Non-numeric Input: The most common cause of this error is that the user has entered a character or string (e.g., letters, special characters) instead of a numeric value in the "Weighting" field.
  Formatting Issues: Sometimes, formatting issues can arise if the input includes spaces or other non-visible characters.
  Data Type Mismatch: The system expects a specific data type (numeric) for the field, and any deviation from this will trigger the error.
  
  
  Solution:
  
  Check Input: Ensure that you are entering only numeric values in the "Weighting" field. This means using digits (0-9) only, without any letters or special characters.
  Remove Extra Characters: If you have copied and pasted data