How To Fix CNV_DMC_WDA094 - Data transfer is in progress; cannot restart the transfer

CNV_DMC_WDA094 - Overview

• Message type: E = Error

• Message class: CNV_DMC_WDA - Messages used in WDA UI

• Message number: 094

• Message text: Data transfer is in progress; cannot restart the transfer

Self-Explanatory Message

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CNV_DMC_WDA094 - Details

• The SAP error message CNV_DMC_WDA094 indicates that a data transfer process is currently ongoing, and as a result, you cannot restart the transfer. This error typically occurs in the context of data migration or data transfer activities, particularly when using the SAP Data Migration Cockpit or similar tools.
  
  Cause:
  
  Ongoing Data Transfer: The primary cause of this error is that a data transfer job is already in progress. This could be due to a previous migration job that has not yet completed.
  Locking Mechanism: SAP systems often implement locking mechanisms to prevent multiple processes from interfering with each other. If a data transfer is active, the system will not allow another transfer to start.
  Session Management: If the user tries to initiate a new transfer without waiting for the current one to finish, this error will be triggered.
  
  
  Solution:
  
  
  Check Current Transfers: 
  
  Use transaction codes like SM37 (Job Monitoring) to check if there are any active