Message type: E = Error
Message class:  CNV_OT_APPL_PE - Messages for application specific functions 
Message number: 015
Message text: Initialization of data for clearing failed (s. long text)
Initialization of data for clearing failed: &V1&
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_OT_APPL_PE015 indicates that there was a failure during the initialization of data for clearing in the context of a data migration or conversion process. This error is typically encountered in the SAP Landscape Transformation (SLT) or during data migration projects, particularly when using the SAP S/4HANA Migration Cockpit or similar tools.
Cause: The error can be caused by several factors, including but not limited to: Data Inconsistencies: There may be inconsistencies in the data being processed, such as missing or incorrect entries in the source system.
Configuration Issues: Incorrect configuration settings in the migration tool or in the target system can lead to initialization failures. Authorization Problems: The user executing the migration may not have the necessary authorizations to perform the required actions. Technical Issues: There could be underlying technical issues, such as database locks, connectivity problems, or system performance issues. Missing Customization: If the target system requires specific customizations or settings that
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