How To Fix EWA074 - You cannot change the key date for installation &1

EWA074 - Overview

• Message type: E = Error

• Message class: EWA - IS-U-WA: Waste Management

• Message number: 074

• Message text: You cannot change the key date for installation &1

What causes this issue?

You cannot change the validity period of waste installations. You also
cannot change the key date of the installation.

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?

Procedure for System Administrators

If you require these functions, contact SAP.

Error message extract from SAP system. Copyright SAP SE.

EWA074 - Details

• The SAP error message EWA074, which states "You cannot change the key date for installation &1," typically occurs in the context of managing installations or maintenance plans within the SAP system. This error indicates that the system is preventing changes to the key date for a specific installation due to certain constraints or conditions.
  
  Cause:
  
  Locked Installation: The installation may be locked for changes due to ongoing processes or status settings.
  Data Consistency: The system may have rules in place to maintain data consistency, preventing changes to key dates that could lead to inconsistencies in related data.
  Authorization Issues: The user may not have the necessary authorizations to make changes to the installation data.
  System Configuration: Certain configurations in the system may restrict changes to key dates for installations.
  
  
  Solution:
  
  Check Installation Status: Verify if the installation is currently locked or if there are any ongoing processes that might prevent changes. If it is locked, you may