How To Fix OQ_H303 - Error in ALE set-up. Data could not be transferred

OQ_H303 - Overview

• Message type: E = Error

• Message class: OQ_H - IS-Oil SSR : Message pool Interfaces/IAC/BAPI development

• Message number: 303

• Message text: Error in ALE set-up. Data could not be transferred

What causes this issue?

The system has found an error in the ALE set-up.

System Response

The data could not be sent.

How to fix this error?

Please check the ALE distribution model.

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.

Smart SAP Assistant

• What is the cause and solution for SAP error message OQ_H303 - Error in ALE set-up. Data could not be transferred ?

  The SAP error message OQ_H303 indicates that there is an issue with the Application Link Enabling (ALE) setup, which is preventing data from being transferred between systems. This error typically arises in scenarios involving distributed systems where data needs to be exchanged, such as in a landscape with multiple SAP systems.
  Causes of OQ_H303 Error
  
  
  
  Configuration Issues: The ALE configuration may not be set up correctly. This includes settings in the Distribution Model, Logical Systems, and Partner Profiles.
  
  
  Missing or Incorrect Logical Systems: The logical systems involved in the data transfer may not be defined correctly or may not exist in the system.
  
  
  Inconsistent Data: The data being transferred may not meet the required criteria or may be inconsistent, leading to transfer failures.
  
  
  Authorization Issues: The user or system may not have the necessary authorizations to perform the data transfer.
  
  
  Network Issues: There may be network connectivity issues between the systems involved in the data transfer.
  
  
  Technical