How To Fix /SCMTMS/TSPS303 - ERP system &1 cannot be reached or is not an ERP system

SAP Error Message - Details

• Message type: E = Error

• Message class: /SCMTMS/TSPS -

• Message number: 303

• Message text: ERP system &1 cannot be reached or is not an ERP system

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SCMTMS/TSPS303 - ERP system &1 cannot be reached or is not an ERP system ?

  The SAP error message /SCMTMS/TSPS303 indicates that the system you are trying to connect to is either not reachable or is not recognized as an ERP system by the SAP Transportation Management System (TM). This error typically arises in scenarios where there is an integration between SAP TM and an ERP system, such as SAP ECC or SAP S/4HANA.
  Causes:
  
  Network Issues: The ERP system may be down, or there may be network connectivity issues preventing access.
  Incorrect Configuration: The system may not be correctly configured in the SAP TM settings, leading to recognition issues.
  System Type Mismatch: The target system may not be an ERP system or may not be properly set up as one.
  Authorization Issues: The user may not have the necessary authorizations to access the ERP system.
  RFC Connection Problems: The Remote Function Call (RFC) connection between the TM and ERP systems may not be set up correctly or may be inactive.
  
  Solutions:
  
  Check Network Connectivity: Ensure that the ERP system is up and running and that there are no network issues preventing access.
  Verify System Configuration:
  
  Go to the SAP TM configuration and check the settings for the connected ERP system.
  Ensure that the system is correctly defined as an ERP system in the TM configuration.
  
  
  Check System Type: Confirm that the target system is indeed an ERP system (like SAP ECC or S/4HANA) and is properly configured.
  Review Authorizations: Ensure that the user has the necessary authorizations to access the ERP system.
  Check RFC Connections:
  
  Use transaction SM59 in the SAP GUI to check the RFC connection settings.
  Test the connection to ensure it is active and functioning correctly.
  
  
  Review Logs: Check the system logs for any additional error messages that may provide more context about the issue.
  
  Related Information:
  
  Transaction Codes: 
  
  SM59: For managing RFC connections.
  SLG1: For checking application logs.
  
  
  Documentation: Refer to SAP Help Portal for detailed documentation on configuring SAP TM and ERP integration.
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address specific issues related to this error message.
  
  If the issue persists after checking the above points, it may be beneficial to consult with your SAP Basis team or reach out to SAP support for further assistance.