How To Fix CMT2000 - At least one recipient is invalid - please check

SAP Error Message - Details

• Message type: E = Error

• Message class: CMT2 - Add-On Version: Message Class in CM Environment

• Message number: 000

• Message text: At least one recipient is invalid - please check

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 CMT2000 - At least one recipient is invalid - please check ?

  The SAP error message CMT2000, which states "At least one recipient is invalid - please check," typically occurs in the context of sending messages or notifications within the SAP system, such as when using the SAP Business Workflow or SAP Business Communication Management.
  Cause:
  The error usually arises due to one or more of the following reasons:
  
  Invalid Recipient Address: The recipient's email address or user ID may be incorrect or not properly formatted.
  Missing User: The recipient may not exist in the SAP system or may not have the necessary authorizations.
  Inactive User: The recipient's user account may be inactive or locked.
  Configuration Issues: There may be issues with the configuration of the communication method (e.g., SMTP settings for email).
  Recipient Type: The recipient type may not be supported (e.g., trying to send to a non-user entity).
  
  Solution:
  To resolve the CMT2000 error, you can take the following steps:
  
  
  Check Recipient Details:
  
  Verify the email address or user ID of the recipient for any typos or formatting issues.
  Ensure that the recipient exists in the SAP system.
  
  
  
  User Status:
  
  Check if the recipient's user account is active and not locked. You can do this by navigating to the user management transaction (e.g., SU01) and checking the user status.
  
  
  
  Communication Configuration:
  
  Review the configuration settings for the communication method being used (e.g., SMTP settings for email). Ensure that the settings are correct and that the mail server is reachable.
  
  
  
  Recipient Type:
  
  Ensure that the recipient is of a valid type that can receive messages (e.g., a valid SAP user).
  
  
  
  Testing:
  
  If possible, send a test message to a known valid recipient to confirm that the messaging system is functioning correctly.
  
  
  
  Logs and Traces:
  
  Check the application logs (transaction SLG1) for any additional error messages or details that may provide more context about the issue.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or support notes related to the specific transaction or process you are using to see if there are any known issues or additional troubleshooting steps.
  
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to the CMT2000 error.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SU01 (User Maintenance), SCOT (SAPconnect), and SLG1 (Application Log) for troubleshooting.
  
  By following these steps, you should be able to identify and resolve the issue causing the CMT2000 error in your SAP system.