How To Fix E0126 - Error in DOCUMENT_OPEN for IDoc '&'

SAP Error Message - Details

• Message type: E = Error

• Message class: E0 - SAP EDI messages

• Message number: 126

• Message text: Error in DOCUMENT_OPEN for IDoc '&'

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 E0126 - Error in DOCUMENT_OPEN for IDoc '&' ?

  The SAP error message E0126, which states "Error in DOCUMENT_OPEN for IDoc '&'", typically indicates that there is an issue with the processing of an IDoc (Intermediate Document) in the SAP system. This error can arise due to various reasons, and understanding the cause is crucial for finding a solution.
  Possible Causes:
  
  IDoc Format Issues: The IDoc may not conform to the expected format or structure, leading to parsing errors.
  Data Inconsistencies: There may be inconsistencies or invalid data within the IDoc segments that prevent it from being processed correctly.
  Configuration Issues: Incorrect configuration settings in the IDoc processing or partner profiles can lead to errors.
  Missing or Incorrect Mapping: If the IDoc is expected to be mapped to a specific function module or process, any missing or incorrect mapping can cause this error.
  Authorization Issues: The user or process attempting to open the IDoc may lack the necessary authorizations.
  System or Network Issues: Temporary system or network issues can also lead to this error.
  
  Solutions:
  
  Check IDoc Structure: Validate the structure of the IDoc against the expected format. Use transaction WE19 (IDoc test tool) to simulate and test the IDoc.
  Review Data: Inspect the data within the IDoc for any inconsistencies or invalid entries. Ensure that all mandatory fields are populated correctly.
  Configuration Review: Verify the configuration settings in transaction WE20 (Partner Profiles) and ensure that the settings for the relevant message type are correct.
  Mapping Verification: Check the mapping of the IDoc to the corresponding function module or process. Ensure that the mapping is correctly defined.
  Authorization Check: Ensure that the user or process has the necessary authorizations to process the IDoc. Check user roles and authorizations in transaction SU01.
  System Logs: Review system logs (transaction SM21) and IDoc logs (transaction WE02) for additional error messages or warnings that may provide more context about the issue.
  Reprocessing: If the IDoc is in an error state, you may need to reprocess it after correcting any identified issues. Use transaction BD87 to reprocess IDocs.
  
  Related Information:
  
  IDoc Monitoring: Use transaction WE02 or WE05 to monitor IDocs and check their status.
  Error Handling: Familiarize yourself with the error handling mechanisms in SAP for IDocs, including the use of transaction BD87 for reprocessing.
  Documentation: Refer to SAP documentation or help resources for specific details about the IDoc types and their expected structures.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with your SAP Basis or technical team for further investigation, as they may have access to more detailed logs and system settings.