How To Fix CNV_MBT_SHELL115 - No .ext file found in export directory; load of table size not possible

CNV_MBT_SHELL115 - Overview

• Message type: E = Error

• Message class: CNV_MBT_SHELL - Shell Creation

• Message number: 115

• Message text: No .ext file found in export directory; load of table size not possible

What causes this issue?

The system cannot find .EXT files in the export directory. The system
expects the .EXT files in the export directory under .../ABAP/DATA.

System Response

The system cannot load the table size from the .ext files, and cannot
estimate the database size for the shell system.

How to fix this error?

Check whether the .EXT files exist and where they are located. If the
files exist move them to the expected directory (.../ABAP/DATA/) to run
this activity.
If the .ext files do not exist check the "Export Preparation" step of
the Software Provisioning Manager. It might be that no .ext files were
created. If this is the case, the optional steps to estimate a target
database size cannot be performed. Note that it is still possible to
manually set the target database size in the activity <ZK>Finalize
Database Size of Shell System</>, and proceed with the shell creation
process.

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.

CNV_MBT_SHELL115 - Details

• The SAP error message CNV_MBT_SHELL115 indicates that the system is unable to find the required .ext file in the specified export directory. This file is typically needed for the migration or data transfer process, particularly in the context of SAP's Migration Cockpit or similar tools.
  
  Cause:
  
  Missing File: The .ext file that contains the necessary data for the migration process is not present in the expected export directory.
  Incorrect Directory Path: The path specified for the export directory may be incorrect or not properly configured.
  File Permissions: There may be permission issues preventing the system from accessing the directory or the file.
  Incomplete Export Process: The export process may not have completed successfully, leading to missing files.
  
  
  Solution:
  
  Verify File Existence: Check the specified export directory to confirm whether the .ext file is present. If it is missing, you may need to re-run the export process to generate the file.
  Check Directory Path: Ensure that the path to