How To Fix CPOC400 - Internal error: control error

SAP Error Message - Details

• Message type: E = Error

• Message class: CPOC - PP-PI-PMA: Process Operator Cockpit Messages

• Message number: 400

• Message text: Internal error: control error

What causes this issue?

An internal error occurred.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

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Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CPOC400 - Internal error: control error ?

  The SAP error message CPOC400, which states "Internal error: control error," typically indicates an issue within the SAP system's control framework. This error can arise from various underlying causes, and resolving it often requires a systematic approach. Here are some potential causes, solutions, and related information:
  Causes:
  
  Configuration Issues: Incorrect or incomplete configuration settings in the SAP system can lead to control errors.
  Data Inconsistencies: Inconsistent or corrupted data in the database can trigger internal errors.
  System Bugs: There may be bugs in the SAP software version you are using, which can lead to unexpected behavior.
  Authorization Problems: Insufficient user authorizations can sometimes cause control errors when trying to access certain functionalities.
  Performance Issues: High system load or performance bottlenecks can lead to timeouts or control errors.
  
  Solutions:
  
  Check Configuration: Review the configuration settings related to the specific module or transaction you are working with. Ensure that all necessary parameters are correctly set.
  Data Validation: Run data consistency checks to identify and correct any inconsistencies in the database. Use transaction codes like SE11 (Data Dictionary) or SE16 (Data Browser) to inspect relevant tables.
  Update SAP: Ensure that your SAP system is up to date with the latest patches and support packages. Check SAP Notes for any known issues related to your version.
  Review Authorizations: Verify that the user encountering the error has the necessary authorizations to perform the action. Use transaction SU53 to analyze authorization failures.
  System Monitoring: Monitor system performance and check for any resource bottlenecks. Use transaction ST22 to analyze dumps and transaction SM21 for system logs.
  Contact SAP Support: If the issue persists, consider reaching out to SAP Support with detailed information about the error, including transaction codes, user actions, and any relevant logs.
  
  Related Information:
  
  SAP Notes: Search for specific SAP Notes related to error CPOC400 in the SAP Support Portal. These notes may provide additional insights or patches.
  Transaction Codes: Familiarize yourself with relevant transaction codes for troubleshooting, such as ST22 (Dump Analysis), SM21 (System Log), and SU53 (Authorization Check).
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed. This can provide practical insights from other users who have faced the same error.
  
  Conclusion:
  Resolving the CPOC400 error requires a thorough investigation of the system's configuration, data integrity, and user authorizations. By following the outlined steps and utilizing available resources, you can effectively troubleshoot and resolve this internal control error in SAP.