How To Fix /SAPAPO/MC01153 - '&' is not a valid variable identifier (proposal: '&')

/SAPAPO/MC01153 - Overview

• Message type: E = Error

• Message class: /SAPAPO/MC01 -

• Message number: 153

• Message text: '&' is not a valid variable identifier (proposal: '&')

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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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/MC01153 - '&' is not a valid variable identifier (proposal: '&') ?

  The SAP error message /SAPAPO/MC01153 '&' is not a valid variable identifier (proposal: '&') typically occurs in the context of SAP Advanced Planning and Optimization (APO) when there is an issue with variable identifiers in planning functions or queries. Here’s a breakdown of the cause, potential solutions, and related information:
  
  Cause:
  
  
  Invalid Variable Identifier: The error indicates that the variable identifier used in a planning function or query is not recognized as valid. This could be due to:
  
  Typographical errors in the variable name.
  The variable not being defined in the system.
  The variable being deleted or not activated.
  
  
  
  Incorrect Syntax: The use of special characters or incorrect formatting in the variable identifier can also lead to this error.
  
  
  Contextual Issues: The variable might be valid in one context but not in another, such as being defined for a different planning area or version.
  
  
  
  Solution:
  
  
  Check Variable Definition:
  
  Go to the transaction code /SAPAPO/VAR to check the definition of the