How To Fix EA599 - When saving, process code '&' is also deleted in the ALE table

EA599 - Overview

• Message type: E = Error

• Message class: EA - IDoc Basis Messages

• Message number: 599

• Message text: When saving, process code '&' is also deleted in the ALE table

What causes this issue?

In the case of process codes for inbound processing, which are created
for
processing via function modules
the ID - the processing function module here - is not maintained from
this screen, but in the ALE table 'Function modules for ALE-EDI inbound
processing'.
In order to delete the process codes completely, it must also be
deleted in the ALE table, if it exists there.

System Response

When you save, the entry in table TBD52 is deleted.

How to fix this error?

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.

EA599 - Details

• The SAP error message EA599 typically indicates an issue related to the Application Link Enabling (ALE) configuration, specifically when saving changes that affect process codes in the ALE table. This error can occur in various scenarios, such as when you are trying to save a configuration or a change in the ALE settings.
  
  Cause:
  The error message EA599 is triggered when the system detects that a process code (denoted by '&') is being deleted or is no longer valid in the context of the ALE configuration. This can happen due to:
  
  Inconsistent Configuration: Changes made to the ALE configuration that lead to inconsistencies, such as removing a process code that is still in use.
  Missing Dependencies: The process code may have dependencies that are not being met, leading to its deletion.
  Transport Issues: If the configuration was transported from one system to another, it might not have been properly adjusted for the target system.
  
  
  Solution:
  To resolve