How To Fix TG155 - Current release could not be determined; action must be canceled

TG155 - Overview

• Message type: E = Error

• Message class: TG - Messages for Upgrade Repository Switch

• Message number: 155

• Message text: Current release could not be determined; action must be canceled

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?

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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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message TG155 - Current release could not be determined; action must be canceled ?

  The SAP error message TG155, which states "Current release could not be determined; action must be canceled," typically occurs in the context of SAP system upgrades or when there are issues with the system's configuration or environment. Here’s a breakdown of the potential causes, solutions, and related information for this error:
  Causes:
  
  System Upgrade Issues: The error may arise during or after an upgrade process if the system is unable to determine the current release version.
  Configuration Problems: Incorrect or incomplete configuration settings in the SAP system can lead to this error.
  Missing or Corrupted Files: Essential files or components required for the system to identify its release version may be missing or corrupted.
  Database Issues: Problems with the underlying database can also prevent the system from determining its release.
  Transport Issues: If there are issues with transport requests that affect the system's configuration, this error may occur.
  
  Solutions:
  
  Check System Configuration: Verify the configuration settings in the