How To Fix IUUC_CDC_API001 - Response deserialization failed

SAP Error Message - Details

• Message type: E = Error

• Message class: IUUC_CDC_API - SLT CDC API Messages

• Message number: 001

• Message text: Response deserialization failed

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 IUUC_CDC_API001 - Response deserialization failed ?

  The SAP error message IUUC_CDC_API001, which indicates that "Response deserialization failed," typically occurs in the context of SAP's Change Data Capture (CDC) functionality. This error can arise when the system is unable to properly interpret or convert the data received from a source system into a usable format.
  Causes:
  
  Data Format Issues: The data being sent may not match the expected format, leading to deserialization failures.
  Version Mismatch: There may be a mismatch between the versions of the source and target systems, causing incompatibility in the data structure.
  Network Issues: Intermittent network issues can lead to incomplete or corrupted data being received.
  Configuration Errors: Incorrect configuration settings in the CDC setup can lead to issues in data processing.
  Data Type Mismatches: If the data types in the source system do not match the expected data types in the target system, deserialization can fail.
  
  Solutions:
  
  Check Data Format: Ensure that the data being sent adheres to the expected format. Validate the structure and types of the data.
  Version Compatibility: Verify that both the source and target systems are compatible in terms of versions and configurations. Update them if necessary.
  Network Stability: Check the network connection for stability and reliability. Ensure that there are no interruptions during data transfer.
  Review Configuration: Go through the CDC configuration settings to ensure they are correctly set up. Look for any discrepancies or misconfigurations.
  Error Logs: Check the SAP application logs (transaction SLG1) for more detailed error messages that can provide insights into the specific cause of the deserialization failure.
  Testing: Conduct tests with smaller data sets to isolate the issue. This can help identify if the problem is with specific data entries.
  Consult Documentation: Refer to SAP documentation or notes related to CDC and deserialization issues for any specific guidance or patches that may be available.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that address this specific error or provide updates and patches.
  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, consider reaching out to SAP Support for assistance, providing them with detailed logs and error messages for better diagnosis.
  
  By following these steps, you should be able to identify and resolve the IUUC_CDC_API001 error effectively.