How To Fix CPOC321 - Component proxy "&1 was not found. Data block "&2" was discarded

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 321

• Message text: Component proxy "&1 was not found. Data block "&2" was discarded

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CPOC321 - Component proxy "&1 was not found. Data block "&2" was discarded ?

  The SAP error message CPOC321 indicates that a component proxy specified in the system was not found, leading to the discarding of a data block. This error typically occurs in the context of SAP Process Orchestration (PO) or SAP Process Integration (PI) when there is an issue with the configuration or mapping of the components involved in a process.
  Cause:
  
  Missing Component Proxy: The specified component proxy (indicated by "&1") does not exist in the system. This could be due to incorrect configuration or the proxy not being created or activated.
  Incorrect Mapping: The data block (indicated by "&2") may be incorrectly mapped to a non-existent or inactive component proxy.
  Transport Issues: If the component proxy was recently transported from another system, it may not have been properly activated or may be missing dependencies.
  Version Mismatch: There may be a version mismatch between the sender and receiver systems, leading to the proxy not being recognized.
  
  Solution:
  
  Check Component Proxy: Verify that the component proxy specified in the error message exists in the system. You can do this by navigating to the relevant transaction (e.g., SOAMANAGER) and checking the list of available proxies.
  Activate Proxy: If the proxy exists but is inactive, activate it. This can usually be done in the same transaction where you check for the proxy.
  Review Mapping: Check the mapping configuration to ensure that the data block is correctly mapped to the existing component proxy. Make any necessary adjustments.
  Transport Validation: If the proxy was transported, ensure that all necessary objects and dependencies were included in the transport request and that they have been activated in the target system.
  Check Logs: Review the application logs (transaction SLG1) for additional details that may provide more context about the error.
  Consult Documentation: Refer to SAP documentation or support notes related to the specific version of SAP PO/PI you are using for any known issues or additional troubleshooting steps.
  
  Related Information:
  
  Transaction Codes: 
  
  SOAMANAGER: For managing web service configurations and proxies.
  SLG1: For viewing application logs.
  
  
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide additional troubleshooting steps.
  Community Forums: Consider checking SAP Community forums or other user groups for similar issues and solutions shared by other users.
  
  By following these steps, you should be able to identify the root cause of the CPOC321 error and implement a solution to resolve it.