Message type: E = Error
Message class:  CNV_10020 - Message class for package 10020 
Message number: 630
Message text: Cluster block &1: min value is missing for check
If the relationship data of a path is stored <zh>sorted</> in the
cluster table, the min value of block[i] has to be greater than the max
value of block[i-1].
For cluster block &V1& the check could not be performed because the min
value of the block is missing.
There is nothing to do. Min/max values should be stored to increase the
performance of the scan. This is not a must.
Error message extract from SAP system. Copyright SAP SE.
The SAP error message CNV_10020630, which states "Cluster block &1: min value is missing for check," typically occurs during data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or other data migration tools. This error indicates that there is a missing minimum value for a specific field in a cluster table, which is necessary for the data validation checks.
Cause: Missing Data: The error usually arises when the data being migrated does not contain a required minimum value for a field that is expected to have one. This can happen if the source data is incomplete or if there are discrepancies in the data mapping. Data Structure Changes: If there have been changes in the data structure or schema between the source and target systems, it may lead to missing values that are required in the target system.
Configuration Issues: Incorrect configuration settings in the migration tool or in the
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