How To Fix DT405 - No customer or SAP include & exists

DT405 - Overview

• Message type: E = Error

• Message class: DT - Table activation (incl. indexes)

• Message number: 405

• Message text: No customer or SAP include & exists

What causes this issue?

Another table with the name range CI_ or SI_ is included in a table.
Included tables in this namespace need not necessarily exist. They are
merely placeholders for special customer fields (namespace CI_) or SAP
fields (namespace SI_).

System Response

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?

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message DT405 - No customer or SAP include & exists ?

  The SAP error message DT405 ("No customer or SAP include & exists") typically occurs when the system is unable to find a specific include file or customer include that is expected to be present in the program or module being executed. This can happen for various reasons, such as missing or incorrectly configured includes, or issues with the development environment.
  Causes:
  
  Missing Include Files: The specified include file may not exist in the system, either because it was deleted or never created.
  Incorrect Naming: The include file may have been incorrectly named or referenced in the code.
  Transport Issues: If the include was recently transported from another system, it may not have been transported correctly.
  Development Environment Issues: There may be issues with the development environment or the configuration of the SAP system.
  Authorization Issues: The user may not have the necessary authorizations to access the include file.
  
  Solutions:
  
  Check Include Existence: Verify if the include file exists