How To Fix CNV_MBT_SHELL081 - Structure of file & unknown

CNV_MBT_SHELL081 - Overview

• Message type: E = Error

• Message class: CNV_MBT_SHELL - Shell Creation

• Message number: 081

• Message text: Structure of file & unknown

What causes this issue?

The system cannot read the content of the file.

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Check whether the file is corrupt.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

CNV_MBT_SHELL081 - Details

• The SAP error message CNV_MBT_SHELL081 typically indicates that there is an issue with the structure of a file being processed in a data migration or conversion scenario. This error is often encountered during the execution of the SAP Data Migration Workbench (DMW) or during the use of the SAP S/4HANA Migration Cockpit.
  
  Cause:
  The error message CNV_MBT_SHELL081 Structure of file & unknown suggests that the system is unable to recognize the structure of the input file. This can happen due to several reasons:
  
  Incorrect File Format: The file may not be in the expected format (e.g., CSV, XML) or may have been corrupted.
  Missing or Incorrect Header: The file may be missing the required header row or the header may not match the expected field names.
  Data Type Mismatch: The data types in the file may not match the expected data types in the target structure.
  Unsupported Structure: The file may contain fields or structures that