How To Fix MSG_CL_ER300 - Invalid T-Model Key '&1'

SAP Error Message - Details

• Message type: E = Error

• Message class: MSG_CL_ER - Message Class for Enterprise Registry

• Message number: 300

• Message text: Invalid T-Model Key '&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 MSG_CL_ER300 - Invalid T-Model Key '&1' ?

  The SAP error message MSG_CL_ER300 Invalid T-Model Key '&1' typically occurs in the context of SAP's Enterprise Services or when dealing with the SAP Cloud Platform. This error indicates that the system is unable to recognize or find the specified T-Model key, which is a unique identifier for a technical model in the context of web services.
  Cause:
  
  Invalid T-Model Key: The T-Model key provided in the request does not exist in the system or is incorrectly formatted.
  Data Consistency Issues: There may be inconsistencies in the data, such as missing entries in the relevant tables.
  Configuration Issues: The system may not be properly configured to recognize the T-Model key, possibly due to missing or incorrect settings.
  Transport Issues: If the T-Model was recently transported from another system, it may not have been properly imported or activated.
  
  Solution:
  
  Verify T-Model Key: Check the T-Model key being used in the request. Ensure that it is correctly formatted and exists in the system.
  Check Configuration: Review the configuration settings related to the T-Model in the SAP system. Ensure that all necessary components are correctly set up.
  Data Consistency Check: Perform a consistency check on the relevant tables to ensure that all necessary entries are present and correctly linked.
  Transport Validation: If the T-Model was transported, verify that the transport was successful and that all necessary objects were included.
  Consult Documentation: Refer to SAP documentation or notes related to the specific version of the software you are using for any known issues or additional troubleshooting steps.
  Contact SAP Support: If the issue persists after checking the above points, consider reaching out to SAP support for further assistance.
  
  Related Information:
  
  T-Model: In the context of web services, a T-Model (Technical Model) is used to describe the technical aspects of a service, including its interface and binding information.
  Enterprise Services: SAP's Enterprise Services are designed to facilitate integration and interoperability between different systems and applications.
  Error Logs: Check the system logs (transaction SLG1) for additional details that may provide more context about the error.
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error message or provide additional troubleshooting steps.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution.