How To Fix CNVMBTCHECK018 - &1| One or more sender structures do not have a receiver assigned

SAP Error Message - Details

• Message type: E = Error

• Message class: CNVMBTCHECK - Messages for PCL Checks

• Message number: 018

• Message text: &1| One or more sender structures do not have a receiver assigned

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNVMBTCHECK018 - &1| One or more sender structures do not have a receiver assigned ?

  The SAP error message CNVMBTCHECK018 indicates that there is an issue with the assignment of sender structures to receiver structures in a data migration or conversion process. This error typically arises during the execution of a migration project, particularly when using the SAP Migration Cockpit or similar tools.
  Cause:
  The error occurs when one or more sender structures (which represent the source data) do not have a corresponding receiver structure (which represents the target data) assigned. This can happen due to several reasons:
  
  Incomplete Configuration: The mapping between sender and receiver structures may not have been fully configured.
  Missing Assignments: Some sender structures may not have been assigned to any receiver structure, leading to this error.
  Changes in Data Model: If there have been changes in the data model or migration objects, it may result in mismatches between sender and receiver structures.
  
  Solution:
  To resolve the CNVMBTCHECK018 error, you can follow these steps:
  
  
  Check Mapping Configuration:
  
  Go to the migration project in the SAP system.
  Review the mapping configuration to ensure that all sender structures have corresponding receiver structures assigned.
  
  
  
  Assign Missing Structures:
  
  If you identify any sender structures without a receiver, assign them to the appropriate receiver structure.
  Ensure that the mapping is correct and aligns with the data model requirements.
  
  
  
  Validate Data Model:
  
  Ensure that the data model has not changed unexpectedly. If there have been changes, update the mapping accordingly.
  
  
  
  Use Migration Cockpit Tools:
  
  Utilize the tools provided in the SAP Migration Cockpit to check for inconsistencies and validate the mapping.
  Run any available checks or validations to ensure that all structures are correctly assigned.
  
  
  
  Consult Documentation:
  
  Refer to the SAP documentation related to the specific migration project you are working on. There may be specific guidelines or requirements for the sender and receiver structures.
  
  
  
  Seek Help from SAP Support:
  
  If the issue persists after checking the mappings and configurations, consider reaching out to SAP support for further assistance.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as LTMC (for Migration Cockpit) or S/4HANA Migration Object Modeler for managing migration objects.
  SAP Notes: Check for any SAP Notes related to the specific migration project or error message for additional insights or patches.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to identify and resolve the CNVMBTCHECK018 error effectively.