Message type: E = Error
Message class:  CNV_LTHCM_S_10 - LT HCM: Message Class for Data Selection 
Message number: 008
Message text: HCM object selection ID &1 (&2) assigned
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The SAP error message CNV_LTHCM_S_10008 typically occurs during the data migration process, particularly when using the SAP Landscape Transformation (SLT) tool or similar migration tools. This error indicates that an HCM (Human Capital Management) object selection ID has already been assigned, which can lead to conflicts or duplication during the migration process.
Cause: The error is caused by the following scenarios: Duplicate Assignment: The HCM object selection ID you are trying to use is already assigned to another object or process.
Configuration Issues: There may be configuration issues in the migration settings that lead to the same ID being referenced multiple times. Data Integrity Issues: The data being migrated may have integrity issues, such as overlapping IDs or incorrect mappings.
Solution: To resolve the error, you can take the following steps: Check for Duplicates: Review the HCM object selection IDs in your system to ensure that the ID you are trying to use is not already assigned to another
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