Message type: E = Error
Message class:  CNV_10020 - Message class for package 10020 
Message number: 190
Message text: Converter path &1, conversion rule &2: &3; length of SDetObj is only &4
Conversion rule &V3& has been stored in line &V2& for converter path
&V1&. The length of the source determination object is &V4&. In
accordance with the conversion rule, this means that an area that lies
at least partly outside the range is meant to be accessed. This is not
possible.
Define the conversion rule so that the following condition is
fulfilled:
Offset + length <= length of the source determination object
Error message extract from SAP system. Copyright SAP SE.
The SAP error message CNV_10020190 typically occurs during data conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or other data migration tools. This error indicates that there is an issue with the length of a specific object (SDetObj) in the conversion process.
Cause: The error message can be broken down as follows: Converter path &1: This refers to the specific path in the conversion process where the error occurred. Conversion rule &2: This indicates the specific conversion rule that is being applied. &3: This part usually provides additional context or details about the error. Length of SDetObj is only &4: This indicates that the length of the object being processed is shorter than expected, which can lead to issues in the conversion process. The root cause of this error is often related to: Data Structure Mismatch: The data being processed does not conform to the expected structure or length defined in the conversion rules. Incorrect Mapping: The
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