Message type: E = Error
Message class:  CNV_CDMC_CA - CDMC Clearing Analysis 
Message number: 030
Message text: Enter at least one program, class or function group
You have opted for ad-hoc execution of this report. However you have not
specified any programs, classes, or function groups for which you wish
to perform the remote comparison.
It is not possible to carry out an ad-hoc analysis without a set of
input objects.
Enter a value for at least one of the parameters <ZK>Programs</>,
<ZK>Function Groups</> and <ZK>Classes</>.
The system issues an error message and will not allow you to continue with this transaction until the error is resolved.
Error message extract from SAP system. Copyright SAP SE.
The SAP error message CNV_CDMC_CA030 typically occurs in the context of the SAP Conversion and Data Migration Cockpit (CDMC) when you are trying to execute a conversion or migration task without specifying any programs, classes, or function groups. This error indicates that the system requires at least one of these elements to proceed with the operation.
Cause: The primary cause of this error is that the user has not entered any valid program, class, or function group in the relevant input field when attempting to execute a conversion or migration task. This can happen due to: User Oversight: The user may have simply forgotten to input the required information. Incorrect Configuration: The system may not be properly configured to recognize the necessary programs or classes. Data Entry Error: There may be a typo or incorrect entry in the fields where the program, class, or function group should be specified.
Solution: To resolve the CNV_CDMC_CA030 error, follow these
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