Message type: E = Error
Message class:  CNV20305 - Messages for conversion packages in CO 
Message number: 166
Message text: Conversion settings were adjusted: CoAr priority routine comes last
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The SAP error message CNV20305166 indicates that there is an issue with the conversion settings in the context of a data migration or conversion process, specifically related to the "CoAr priority routine." This message suggests that the priority routine for the conversion process has been adjusted, and it is now set to be executed last, which may not be the intended behavior.
Cause:
Configuration Issues: The conversion settings may have been incorrectly configured, leading to the priority routine being set to execute last instead of in the desired order. Data Mapping Conflicts: There may be conflicts in the data mapping or transformation rules that necessitate the adjustment of the priority routine. Custom Logic: If there are custom routines or logic implemented, they may have inadvertently affected the priority of the CoAr routine. Version or Upgrade Issues: If the system has been recently upgraded or patched, it may have affected the conversion settings.
Solution: Review Conversion Settings: Check
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