Message type: E = Error
Message class:  CNV_MBT_SNAP - Messages for Snap Schor Integration 
Message number: 174
Message text: Unmounting has been started.
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The SAP error message CNV_MBT_SNAP174 with the description "Unmounting has been started" typically occurs during the execution of a data migration or conversion process, particularly when using the SAP S/4HANA Migration Cockpit or similar tools. This message indicates that the system is in the process of unmounting a data snapshot or a temporary storage area that was used during the migration process.
Cause: Data Migration Process: The error is often related to the data migration process where the system is trying to unmount a snapshot that was created for the purpose of data transfer. System Configuration: There may be issues with the configuration of the migration tools or the underlying database that prevent the unmounting process from completing successfully. Resource Availability: Insufficient system resources (like memory or disk space) can lead to issues during the unmounting process. Locks or Transactions: There may be active locks or ongoing transactions that are preventing the unmounting from completing.
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