How To Fix TN028 - Could not determine cofile name for Support Package &1

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 028

• Message text: Could not determine cofile name for Support Package &1

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 TN028 - Could not determine cofile name for Support Package &1 ?

  The SAP error message TN028, which states "Could not determine cofile name for Support Package &1," typically occurs during the process of applying a support package or enhancement package in the SAP system. This error indicates that the system is unable to find the corresponding cofile (C/C++ object file) for the specified support package.
  Causes:
  
  Missing or Incomplete Download: The support package may not have been downloaded completely or correctly, leading to missing files.
  Incorrect Directory Structure: The directory structure where the support package files are stored may not be set up correctly.
  Incorrect Configuration: The system configuration may not point to the correct location for the cofiles.
  Transport Directory Issues: There may be issues with the transport directory where the cofiles are stored.
  File Permissions: Insufficient permissions on the directory or files may prevent the system from accessing the required cofiles.
  
  Solutions:
  
  Verify Download: Ensure that the support package has been downloaded completely and correctly. You can re-download the package if necessary.
  Check Directory Structure: Make sure that the directory structure for the transport directory is correct. The cofiles should be located in the appropriate directories (usually under the trans directory).
  Check Configuration: Verify the configuration settings in the SAP system to ensure that it points to the correct transport directory. You can check the settings in transaction RZ10 or RZ11.
  Check Transport Directory: Ensure that the transport directory is correctly set up and that the necessary files are present. You can check the transport directory settings in transaction SE03.
  File Permissions: Check the file permissions for the transport directory and ensure that the SAP user has the necessary permissions to access the files.
  Use Transaction SPAM: If you are using the Support Package Manager (SPAM), ensure that you are using the latest version and that it is correctly configured.
  
  Related Information:
  
  SAP Notes: Check for relevant SAP Notes that may provide additional information or specific fixes related to this error. You can search for notes in the SAP Support Portal.
  Transaction Codes: Familiarize yourself with transaction codes like SPAM, SAINT, and SE03 for managing support packages and transports.
  Logs and Traces: Review the logs and traces for more detailed error messages that can provide additional context for troubleshooting.
  
  If the issue persists after trying the above solutions, consider reaching out to SAP support for further assistance.