How To Fix /PF1/PE_PP122 - Endless loop in packages

SAP Error Message - Details

• Message type: E = Error

• Message class: /PF1/PE_PP -

• Message number: 122

• Message text: Endless loop in packages

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /PF1/PE_PP122 - Endless loop in packages ?

  The SAP error message /PF1/PE_PP122 Endless loop in packages typically indicates that there is an issue with the processing of packages in the SAP system, often related to the production planning (PP) module. This error can occur when the system encounters a situation where it is unable to resolve a package due to circular dependencies or misconfigurations, leading to an endless loop during processing.
  Causes:
  
  Circular Dependencies: There may be a circular reference in the production process or in the way packages are defined, causing the system to loop indefinitely.
  Configuration Issues: Incorrect settings in the production planning configuration can lead to this error. This includes settings related to packaging, production orders, or material master data.
  Data Integrity Issues: Inconsistent or corrupt data in the database can also lead to this error. This might include issues with the master data or transactional data.
  Custom Code: If there are custom enhancements or modifications in the system, they might inadvertently create conditions that lead to this error.
  
  Solutions:
  
  Check Configuration: Review the configuration settings related to production planning and packaging. Ensure that there are no circular dependencies in the definitions of packages or production processes.
  Analyze Master Data: Verify the integrity of the master data involved in the production process. Check for any inconsistencies or errors in the material master, BOMs (Bill of Materials), and routing.
  Debugging: If you have access to debugging tools, you can analyze the program flow to identify where the loop is occurring. This may require the assistance of a developer or SAP Basis consultant.
  Review Custom Code: If there are any custom enhancements or modifications, review them to ensure they are not causing the issue. Temporarily disabling custom code can help isolate the problem.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes or patches that address this specific error. There may be known issues and fixes provided by SAP.
  System Logs: Review system logs (transaction SLG1) for any additional error messages or warnings that could provide more context about the issue.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CO02 (Change Production Order), MD04 (Stock/Requirements List), and C223 (Maintain Packaging).
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  SAP Support: If the issue persists and you are unable to resolve it, consider reaching out to SAP Support for assistance.
  
  By following these steps, you should be able to identify the root cause of the /PF1/PE_PP122 Endless loop in packages error and implement a solution to resolve it.