How To Fix OL326 - Dialog module '&' is not defined

OL326 - Overview

• Message type: E = Error

• Message class: OL - Workflow object types: Run-time system

• Message number: 326

• Message text: Dialog module '&' is not defined

What causes this issue?

The dialog module you have specified as the implementation for this
method does not exist in the system.

How to fix this error?

Select a dialog module which exists.

Error message extract from SAP system. Copyright SAP SE.

OL326 - Details

• The SAP error message OL326, which states "Dialog module '&' is not defined," typically occurs when the system is unable to find a specified dialog module in the SAP environment. This can happen for several reasons, including:
  Causes:
  
  Missing or Incorrect Module Name: The dialog module name specified in the program or transaction may be incorrect or misspelled.
  Transport Issues: The dialog module may not have been transported correctly from the development environment to the production environment.
  Authorization Issues: The user may not have the necessary authorizations to access the dialog module.
  Program or Transaction Deletion: The dialog module may have been deleted or is not active in the system.
  
  Configuration Issues: There may be configuration issues in the SAP system that prevent the dialog module from being recognized.
  
  Solutions:
  
  Check Module Name: Verify that the dialog module name is correct and exists in the system. You can do this by checking the program or transaction code that