How To Fix /SCMTMS/MC_MAP_TNC053 - No Connection

SAP Error Message - Details

• Message type: E = Error

• Message class: /SCMTMS/MC_MAP_TNC -

• Message number: 053

• Message text: No Connection

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 /SCMTMS/MC_MAP_TNC053 - No Connection ?

  The SAP error message /SCMTMS/MC_MAP_TNC053 No Connection typically occurs in the context of SAP Transportation Management (TM) when there is an issue with the connection to the backend system or when the system is unable to establish a connection to the required services or components.
  Cause:
  
  Network Issues: There may be network connectivity problems between the SAP TM system and the backend system (like SAP ERP or other connected systems).
  Configuration Errors: Incorrect configuration settings in the SAP TM system or the backend system can lead to connection issues.
  Service Availability: The required services or components may not be running or may be down for maintenance.
  Authorization Issues: The user or service account may not have the necessary authorizations to establish the connection.
  System Settings: Incorrect settings in the RFC (Remote Function Call) destination or other connection parameters.
  
  Solution:
  
  Check Network Connectivity: Ensure that there are no network issues preventing communication between the systems. You can use tools like ping or traceroute to diagnose network problems.
  Verify Configuration: Review the configuration settings in both the SAP TM and backend systems. Ensure that all necessary parameters are correctly set.
  Check Service Status: Verify that all required services are up and running. This may involve checking the SAP Gateway or other relevant services.
  Review Authorizations: Ensure that the user or service account has the necessary authorizations to access the required services.
  Test RFC Connection: Use transaction SM59 to test the RFC connection to the backend system. This can help identify if the connection is working properly.
  Check Logs: Review system logs (transaction SLG1 for application logs) for any additional error messages or details that can provide more context about the issue.
  Consult Documentation: Refer to SAP Notes or documentation related to the specific version of SAP TM you are using for any known issues or patches.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found.
  System Monitoring: Implement monitoring tools to proactively check the health of connections and services to avoid future occurrences of this error.
  
  If the issue persists after following these steps, it may be necessary to involve your SAP Basis team or SAP support for further investigation.