How To Fix EA403 - No IDoc selection possible (too many IDoc types); enter IDoc directly

EA403 - Overview

• Message type: E = Error

• Message class: EA - IDoc Basis Messages

• Message number: 403

• Message text: No IDoc selection possible (too many IDoc types); enter IDoc directly

What causes this issue?

More than 15 IDoc types are assigned to the selected message type &v1&.
For technical reasons, IDoc selection is no longer supported.

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?

Please select an IDoc type directly.

Error message extract from SAP system. Copyright SAP SE.

EA403 - Details

• The SAP error message EA403 "No IDoc selection possible (too many IDoc types); enter IDoc directly" typically occurs when you are trying to process IDocs (Intermediate Documents) in a transaction or program, but the system cannot determine which IDoc type to use because there are too many IDoc types available for selection.
  
  Cause:
  
  
  Too Many IDoc Types: The primary cause of this error is that there are too many IDoc types available in the system for the selection criteria you provided. This can happen if you have a large number of IDoc types defined in your SAP system, and the selection criteria do not narrow down the options sufficiently.
  
  
  Ambiguous Selection: The system is unable to automatically select an IDoc type because the selection criteria are too broad, leading to ambiguity.
  
  
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Enter IDoc Type Directly: The simplest solution is to enter the IDoc type directly