How To Fix /SAPAPO/RET_MESSAGES156 - Maximum must be greater than or equal to zero

/SAPAPO/RET_MESSAGES156 - Overview

• Message type: E = Error

• Message class: /SAPAPO/RET_MESSAGES -

• Message number: 156

• Message text: Maximum must be greater than or equal to zero

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/RET_MESSAGES156 - Maximum must be greater than or equal to zero ?

  The SAP error message /SAPAPO/RET_MESSAGES156 Maximum must be greater than or equal to zero typically occurs in the context of SAP Advanced Planning and Optimization (APO) when there is an issue with the configuration of certain parameters, particularly in the context of planning or forecasting.
  
  Cause:
  This error message indicates that a maximum value that has been set in a configuration or planning parameter is less than zero. This can happen in various scenarios, such as:
  
  Forecasting Settings: If you are setting up forecasting models and have defined a maximum limit for a parameter (like forecast values, safety stock, etc.) that is negative.
  Planning Parameters: In planning books or data views, if a maximum value for a key figure is incorrectly set to a negative number.
  Data Entry Errors: Manual data entry errors where a user has inadvertently entered a negative value where only non-negative values are acceptable.
  
  
  Solution:
  To resolve this error, you can take the