How To Fix E0745 - Inbound IDocs: Temporary IDoc number list could not be read

SAP Error Message - Details

• Message type: E = Error

• Message class: E0 - SAP EDI messages

• Message number: 745

• Message text: Inbound IDocs: Temporary IDoc number list could not be read

What causes this issue?

IDoc numbers which were temporarily saved in the file INDX could not
be read (imported).
Technical information, i.e. parameters of the INDX import command:

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

INDX area: &v1&
INDX key: &v2&

System Response

How to fix this error?

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message E0745 - Inbound IDocs: Temporary IDoc number list could not be read ?

  The SAP error message E0745, which states "Inbound IDocs: Temporary IDoc number list could not be read," typically occurs during the processing of inbound IDocs. This error indicates that the system is unable to access or retrieve the temporary IDoc number list, which is necessary for processing incoming IDocs.
  Causes:
  
  Database Locking Issues: The temporary IDoc number list may be locked by another process, preventing access.
  Memory Issues: Insufficient memory or resources in the SAP system can lead to this error.
  Configuration Issues: Incorrect configuration settings related to IDoc processing or the IDoc interface.
  System Errors: General system errors or inconsistencies in the IDoc processing logic.
  Transport Issues: Problems with the transport of IDocs, such as network issues or incorrect routing.
  
  Solutions:
  
  Check for Locks: Use transaction codes like SM12 to check for any locks on the IDoc tables. If you find locks, you may need to resolve them by terminating the locking session or waiting for it to complete.
  Monitor System Resources: Check the system's memory and performance using transaction codes like ST02 (buffer management) and ST04 (database performance). If resources are low, consider optimizing or increasing them.
  Review Configuration: Ensure that the IDoc configuration settings are correct. This includes checking the partner profiles (transaction WE20) and the IDoc processing settings.
  Check IDoc Status: Use transaction WE02 or WE05 to monitor the status of IDocs. Look for any IDocs that are in error status and analyze their details for further insights.
  Reprocess IDocs: If the IDocs are stuck, you may need to reprocess them. This can be done using transaction BD87 for reprocessing IDocs.
  Check System Logs: Review the system logs (transaction SM21) for any related error messages that could provide more context about the issue.
  Consult SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide patches and updates.
  
  Related Information:
  
  IDoc Processing: Understanding how IDocs are processed in SAP can help in troubleshooting. Familiarize yourself with the IDoc lifecycle, including creation, processing, and error handling.
  Transaction Codes: Familiarize yourself with key transaction codes related to IDocs, such as WE02 (Display IDoc), WE05 (IDoc List), WE20 (Partner Profiles), and BD87 (Reprocess IDocs).
  SAP Community: Engage with the SAP Community forums for insights and shared experiences from other users who may have encountered similar issues.
  
  If the problem persists after trying the above solutions, it may be necessary to involve your SAP Basis team or SAP support for further investigation.