Message type: E = Error
Message class:  CNV - Conversion: Messages for Conversion Services (CNCC) 
Message number: 174
Message text: For table &1, there are steps during timestep DS which can't be resolved
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The SAP error message CNV174 typically occurs during data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or other data migration tools. This error indicates that there are unresolved steps in the data migration process for a specific table during a particular timestep.
Cause: The error message CNV174 can be caused by several factors, including: Data Inconsistencies: There may be inconsistencies or issues with the data in the source system that prevent it from being migrated correctly. Missing Configuration: Required configuration settings or mappings may be missing, leading to unresolved steps. Dependencies: There may be dependencies on other tables or processes that have not been resolved, causing the migration to fail for the specified table. Incorrect Mapping: The mapping of fields between the source and target systems may not be correctly defined, leading to issues during the migration process. Technical Issues: There could be technical issues such as database locks, performance issues, or
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