Message type: E = Error
Message class:  CNV_20320_CHECK - Messages for check functions (Activity Types merge) 
Message number: 013
Message text: No source provided for target &1; mapping is not complete
The provided mapping is incomplete. A mapping line contains a target
value (&V1&) but not a source value.
The system issues an error message and will not allow you to continue with this transaction until the error is resolved.
You have to complete the mapping by providing the requested field values
or by deleting the mapping line which causes the problem.
Error message extract from SAP system. Copyright SAP SE.
The SAP error message CNV_20320_CHECK013 indicates that there is an issue with the data mapping in a conversion or migration process. Specifically, it means that there is no source data provided for a target field, which implies that the mapping between the source and target systems is incomplete.
Cause: Incomplete Mapping: The mapping configuration between the source and target systems is not fully defined. This could happen if certain fields in the target system do not have corresponding fields in the source system. Missing Source Data: The source data for the target field is missing or not correctly specified in the mapping configuration. Configuration Errors: There may be errors in the configuration settings of the data migration tool or the specific conversion program being used.
Solution: Check Mapping Configuration: Review the mapping configuration to ensure that all target fields have corresponding source fields defined. If a target field is supposed to be populated from a source field, ensure
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
CNV_20320_CHECK012 No target provided for source &1; mapping is not complete
What causes this issue?  The provided mapping is incomplete. A mapping line contains a source value (&V1&) but not a target value.System Respo...
CNV_20320_CHECK011 No activity type split found
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CNV_20320_CHECK014 Activity Type Check succesfully executed
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CNV_20320_CHECK015 No priority conflicts because of controlling area mappings exist
What causes this issue?  No priority conflicts because of controlling area mappings exist the controlling area mapping does not contain any merges. th...
Click on this link to search all SAP messages.