How To Fix TN066 - Cofile &1 for Support Package &2 could not be created

SAP Error Message - Details

• Message type: E = Error

• Message class: TN - Support Package Manager (SPAM) Messages

• Message number: 066

• Message text: Cofile &1 for Support Package &2 could not be created

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 TN066 - Cofile &1 for Support Package &2 could not be created ?

  The SAP error message TN066 indicates that the system encountered an issue while trying to create a cofile for a support package. This error can occur during the transport process, particularly when dealing with support packages or other transport requests.
  Cause:
  The error message TN066 can be caused by several factors, including:
  
  
  File System Issues: The directory where the cofile is supposed to be created may not have the necessary permissions, or there may not be enough disk space available.
  
  
  Transport Directory Configuration: The transport directory may not be correctly configured in the system settings.
  
  
  Transport Management System (TMS) Issues: There may be issues with the TMS configuration or the transport routes.
  
  
  Network Issues: If the transport is being sent to another system, network issues could prevent the cofile from being created.
  
  
  SAP Kernel Issues: Sometimes, the issue may be related to the version of the SAP kernel being used.
  
  
  Solution:
  To resolve the TN066 error, you can take the following steps:
  
  
  Check Disk Space: Ensure that there is sufficient disk space in the transport directory. You can check the available space using operating system commands.
  
  
  Check Permissions: Verify that the user under which the SAP system is running has the necessary permissions to write to the transport directory.
  
  
  Review Transport Directory Configuration:
  
  Go to transaction SE03 (Transport Organizer Tools) and check the transport directory settings.
  Ensure that the transport directory is correctly set up in the system profile.
  
  
  
  Check TMS Configuration:
  
  Use transaction STMS to check the transport management system configuration.
  Ensure that the transport routes are correctly defined and that the systems are properly connected.
  
  
  
  Check SAP Notes: Look for any relevant SAP Notes that may address this specific error. Sometimes, SAP releases patches or notes that provide solutions for known issues.
  
  
  Restart Transport Services: If the issue persists, consider restarting the transport services or the SAP system itself.
  
  
  Check Logs: Review the transport logs for any additional error messages that may provide more context about the issue.
  
  
  Contact SAP Support: If you are unable to resolve the issue, consider reaching out to SAP support for further assistance.
  
  
  Related Information:
  
  Transaction Codes: 
  
  SE03 - Transport Organizer Tools
  STMS - Transport Management System
  SCC1 - Client Copy
  
  
  SAP Notes: Always check the SAP Support Portal for any relevant notes that may provide additional insights or solutions for this error.
  Documentation: Review the SAP documentation related to transport management and support package installation for best practices and troubleshooting steps.
  
  By following these steps, you should be able to identify and resolve the issue causing the TN066 error in your SAP system.