How To Fix SADL_EXPOSURE025 - Service unavailable: Upgrade in process, view '&1' activation is pending

SADL_EXPOSURE025 - Overview

• Message type: E = Error

• Message class: SADL_EXPOSURE - Errors During Exposure Compilation

• Message number: 025

• Message text: Service unavailable: Upgrade in process, view '&1' activation is pending

What causes this issue?

During a system upgrade and for a short time period thereafter services
based on SADL may not be available due to ongoing ABAP dictionary
activations.

System Response

The service in question is unavailable and will produce an ABAP runtime
error when accessed.

How to fix this error?

Please wait until the system upgrade has completed before reattempting
the previous operation. Depending on the system load this state will
last for several minutes or even up to a few hours (under high load)
after the upgrade.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message SADL_EXPOSURE025 - Service unavailable: Upgrade in process, view '&1' activation is pending ?

  The SAP error message SADL_EXPOSURE025 indicates that a service is currently unavailable because an upgrade or activation process is in progress for a specific view. This typically occurs in the context of SAP's Service Data Layer (SADL), which is used for exposing data models as OData services.
  
  Cause:
  
  Ongoing Upgrade or Activation: The most common cause of this error is that the system is in the process of upgrading or activating a specific view. During this time, the view is not available for use, leading to the error message.
  System Lock: The system may be locked for maintenance or updates, preventing access to certain functionalities.
  
  Configuration Issues: There may be issues with the configuration of the SADL or the specific view that is being accessed.
  
  
  Solution:
  
  Wait for Completion: The simplest solution is to wait until the upgrade or activation process is completed. Once the process is finished, the view should become available again.
  Check System Status: