How To Fix CL_RAP_OPXY_EDMX_MSG030 - Row can contain only one level index. Duplicate: row=&; level=&; index=&;

CL_RAP_OPXY_EDMX_MSG030 - Overview

• Message type: E = Error

• Message class: CL_RAP_OPXY_EDMX_MSG -

• Message number: 030

• Message text: Row can contain only one level index. Duplicate: row=&; level=&; index=&;

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CL_RAP_OPXY_EDMX_MSG030 - Row can contain only one level index. Duplicate: row=&; level=&; index=&; ?

  The SAP error message CL_RAP_OPXY_EDMX_MSG030 typically occurs in the context of the RAP (Rapid Application Programming) model when there is an issue with the structure of the data being processed, particularly when dealing with nested data structures or collections.
  
  Cause:
  The error message indicates that there is a problem with the indexing of rows in a nested structure. Specifically, it suggests that the system has encountered a situation where a row is trying to contain multiple levels of indexing, which is not allowed. This can happen in scenarios where:
  
  Duplicate Entries: There are duplicate entries in a collection or nested structure that violate the expected single-level index.
  Incorrect Data Structure: The data being processed does not conform to the expected structure defined in the EDMX (Entity Data Model XML) file.
  Improper Mapping: There may be issues with how the data is mapped or transformed, leading to conflicts in indexing.
  
  
  Solution:
  To resolve this error, you can take