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Issue
When opening the WebHMI and navigating to diagrams, the error "Script error in DocumentLoadEvent due to the MutationEvent not being defined" pops up and the TGML page will not load.
Product Line
Power Scada Operation 2020
Power Scada Operation 2020 R2
Power Scada Operation 2021
Ecostruxure Power Operation 2022
Ecostruxure Power Operation 2024
Environment
Windows Server
Windows Pro
Windows Enterprise
SQL Server
Cause
This was caused by the deprecation of the MutationEvent enum used in the TGML scripts.
Resolution
This has been resolved via the hotfix attached.