How To Fix TQ406 - END Reading the cofile

SAP Error Message - Details

• Message type: E = Error

• Message class: TQ - SAPup Messages

• Message number: 406

• Message text: END Reading the cofile

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.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message TQ406 - END Reading the cofile ?

  The SAP error message TQ406, which states "END Reading the cofile," typically occurs during the transport process in SAP, particularly when there are issues related to the transport directory or the transport files. This error can arise due to various reasons, including file corruption, permission issues, or problems with the transport management system (TMS).
  Causes:
  
  Corrupted Transport Files: The cofile (control file) or data file may be corrupted, leading to read errors.
  File Permissions: The user or the SAP system may not have the necessary permissions to read the transport files.
  Transport Directory Issues: The transport directory may not be correctly configured or may be missing files.
  Network Issues: If the transport is being executed over a network, connectivity issues may cause read errors.
  TMS Configuration Problems: Misconfigurations in the Transport Management System can lead to issues in reading transport files.
  
  Solutions:
  
  Check File Integrity: Verify the integrity of the cofile and data file. If they are corrupted, you may need to restore them from a backup or re-export the transport request.
  Verify Permissions: Ensure that the SAP system has the necessary permissions to access the transport directory and files. Check the file system permissions for the transport directory.
  Check Transport Directory Configuration: Ensure that the transport directory is correctly configured in the TMS. You can check this in transaction STMS under the "Transport Directory" settings.
  Review TMS Configuration: Use transaction STMS to check the configuration of the Transport Management System. Ensure that all systems are correctly defined and that there are no inconsistencies.
  Check for Network Issues: If the transport is being executed over a network, ensure that there are no connectivity issues between the systems involved.
  Re-import the Transport Request: If the issue persists, you may need to delete the transport request from the import queue and re-import it.
  
  Related Information:
  
  Transaction Codes: 
  
  STMS: Transport Management System
  SE01: Transport Organizer
  SE09: Workbench Organizer
  SE10: Customizing Organizer
  
  
  SAP Notes: Check SAP Notes related to transport issues for any specific patches or updates that may address the problem.
  Logs: Review the transport logs for more detailed error messages that can provide additional context on the issue.
  
  If the problem continues after trying the above solutions, it may be beneficial to consult with your SAP Basis team or reach out to SAP support for further assistance.