How To Fix NRSCNV388 - Length of compound &1 replacing compound &2 is different

NRSCNV388 - Overview

• Message type: E = Error

• Message class: NRSCNV - Message class

• Message number: 388

• Message text: Length of compound &1 replacing compound &2 is different

What causes this issue?

You want to replace a compounding InfoObject.

System Response

This is not possible. Make sure that the following requirements are met:
The data type and length of the compound to replace the previous
compound must match
The only filling method allowed is a 1:1 mapping to the previous
compound.

How to fix this error?

If any of these requirements are not met, modify the operation
accordingly or select another InfoObject as a replacement.

Procedure for System Administrators

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.

Smart SAP Assistant

• What is the cause and solution for SAP error message NRSCNV388 - Length of compound &1 replacing compound &2 is different ?

  The SAP error message NRSCNV388 indicates that there is a mismatch in the length of a compound data type during a conversion or mapping process. This typically occurs when you are working with data structures that involve compound types, such as structures or tables, and the lengths of the fields do not match as expected.
  
  Cause:
  The error arises when:
  
  You are trying to replace or map one compound type with another, and the lengths of the corresponding fields in the two compounds do not match.
  This can happen during data migration, data transformation, or when using certain SAP tools that involve data conversion (like SAP Data Services, LSMW, etc.).
  The mismatch could be due to changes in the data model, incorrect configuration, or errors in the mapping definitions.
  
  
  Solution:
  To resolve the NRSCNV388 error, you can take the following steps:
  
  
  Check Data Definitions: Review the definitions of the compound types involved (both &1 and &2 in the