Message type: E = Error
Message class:  CNV_CDOP_UCIA - CDOP Upgrade/Change Impact Analysis 
Message number: 013
Message text: The set of SAP objects used in custom developments could not be read
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The SAP error message CNV_CDOP_UCIA013 indicates that the system is unable to read the set of SAP objects used in custom developments. This error typically arises during the execution of a conversion or migration process, particularly when using SAP's Custom Development Objects (CDO) tools. Causes: Missing or Incomplete Custom Development Objects: The required custom development objects may not be present in the system or may not have been properly transported. Authorization Issues: The user executing the process may not have the necessary authorizations to access the custom development objects.
Configuration Issues: There may be configuration problems in the system that prevent the reading of the custom development objects. System Errors: There could be underlying system errors or inconsistencies in the database that are causing the issue. Solutions: Check for Missing Objects: Verify that all required custom development objects are present in the system. This can be done by checking the transport requests and ensuring that all necessary objects
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