Message type: E = Error
Message class:  CNV_20320_CHECK - Messages for check functions (Activity Types merge) 
Message number: 020
Message text: No priority conflicts because of merge into controlling area &1
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The SAP error message CNV_20320_CHECK020 indicates that there are no priority conflicts due to a merge into the specified controlling area (denoted by &1). This message typically arises during data migration or conversion processes, particularly when using SAP's Conversion Tools or during the implementation of SAP S/4HANA.
Cause: The error message suggests that the system has detected a situation where there are no conflicting priorities in the data being merged into the specified controlling area. This could occur in scenarios where: Data Consistency: The data being merged does not have any overlapping or conflicting entries that would cause issues in the controlling area.
Configuration Issues: The controlling area may not be set up correctly to handle the incoming data, or the data being processed does not meet the expected criteria for merging. Migration Process: During a migration process, the system checks for conflicts in the data being merged. If it finds that there are no
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