How To Fix RPM_LCC029 - Too many unsuccessful rounds

SAP Error Message - Details

• Message type: E = Error

• Message class: RPM_LCC - Messages for the Test Log for the liveCache Routines

• Message number: 029

• Message text: Too many unsuccessful rounds

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RPM_LCC029 - Too many unsuccessful rounds ?

  The SAP error message RPM_LCC029 "Too many unsuccessful rounds" typically occurs in the context of SAP's Advanced Planning and Optimization (APO) or similar modules where iterative processes are involved, such as in demand planning or supply network planning. This error indicates that the system has attempted to solve a planning problem multiple times but has not been able to converge on a solution within the allowed number of iterations.
  Causes:
  
  Data Issues: Inconsistent or incorrect master data (e.g., material master, location data, etc.) can lead to planning failures.
  Configuration Problems: Incorrect settings in the planning area or planning book can cause the optimizer to fail.
  Resource Constraints: If there are too many constraints or if the constraints are too tight, the optimizer may not find a feasible solution.
  Model Complexity: A very complex model with too many variables can lead to convergence issues.
  Parameter Settings: The settings for the optimizer (like maximum iterations) may be too low for the complexity of the problem.
  
  Solutions:
  
  Check Master Data: Ensure that all relevant master data is correct and complete. Look for missing or incorrect entries in material master records, location data, and other relevant tables.
  Review Planning Area Configuration: Verify that the planning area and planning book are correctly configured. Check the settings for key figures, planning levels, and other parameters.
  Adjust Constraints: If possible, relax some of the constraints in the planning model to allow the optimizer more flexibility in finding a solution.
  Increase Iteration Limits: If the problem is complex, consider increasing the maximum number of iterations allowed for the optimizer in the configuration settings.
  Analyze Logs: Review the logs generated during the planning run to identify specific issues or bottlenecks that may be causing the failure.
  Test with Simplified Data: If feasible, run the planning process with a simplified dataset to see if the issue persists. This can help isolate the problem.
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to this error message for any patches or updates that may address known issues.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  Documentation: Review SAP documentation for the specific module you are working with to understand the configuration and optimization settings better.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with an SAP expert or reach out to SAP support for further assistance.