How To Fix CB452 - No messages sent

CB452 - Overview

• Message type: E = Error

• Message class: CB - PP-PI-PMA: Dialog Messages for Process Management

• Message number: 452

• Message text: No messages sent

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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CB452 - Details

• The SAP error message CB452 ("No messages sent") typically occurs in the context of the SAP system's communication or messaging functionality, particularly when dealing with the SAP Business Workflow or SAP Business Communication Management. This error indicates that the system attempted to send a message, but no messages were actually sent due to various reasons.
  Causes:
  
  No Recipients Defined: The message may not have any recipients defined, which means there is no one to send the message to.
  Message Type Issues: The message type may not be correctly configured or may not exist in the system.
  Workflow Configuration: If this error occurs in a workflow context, it may be due to incorrect workflow configuration or missing steps in the workflow.
  User Status: The user or recipient may have a status that prevents them from receiving messages (e.g., inactive or blocked).
  Technical Issues: There may be underlying technical issues, such as problems with the messaging system or