How To Fix /SAPAPO/RSP01120 - Maximum number of restrictions has been exceeded (error number &1)

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/RSP01 -

• Message number: 120

• Message text: Maximum number of restrictions has been exceeded (error number &1)

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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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/RSP01120 - Maximum number of restrictions has been exceeded (error number &1) ?

  The SAP error message /SAPAPO/RSP01120 Maximum number of restrictions has been exceeded (error number &1) typically occurs in the context of SAP Advanced Planning and Optimization (APO) when a planning run or optimization process exceeds the maximum number of restrictions that can be handled by the system. This can happen during various planning activities, such as heuristic runs, optimization, or when working with planning books.
  Cause:
  
  Exceeding Limits: The error indicates that the number of restrictions (such as constraints, conditions, or rules) defined in the planning run has surpassed the system's predefined limits.
  Complex Planning Models: If the planning model is overly complex with many constraints, it can lead to this error.
  Configuration Issues: Incorrect configuration of the planning area or planning book can also lead to an excessive number of restrictions being applied.
  
  Solution:
  
  Review Restrictions: Analyze the restrictions being applied in the planning run. Identify if there are any unnecessary or redundant restrictions that can be removed or simplified.
  Optimize Planning Model: Simplify the planning model by reducing the number of constraints or breaking down complex planning scenarios into smaller, more manageable parts.
  Increase Limits: If necessary and feasible, consult with your SAP Basis or technical team to see if the system limits can be increased. This may involve adjusting parameters in the system configuration.
  Use Alternative Planning Strategies: Consider using different planning strategies or heuristics that may require fewer restrictions.
  Check for Updates: Ensure that your SAP system is up to date with the latest patches and notes, as SAP may have provided fixes or enhancements related to this issue.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any specific guidance or patches related to this error. You can search for the error number or related keywords in the SAP Support Portal.
  Documentation: Review the SAP APO documentation for best practices on setting up planning areas and books, as well as guidelines on managing restrictions.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  If the problem persists after trying the above solutions, it may be beneficial to engage with SAP support for further assistance.