Due to you have restarted the SharePoint 2019 server after a long duration, it is recommended that you should install the latest update for SharePoint 2019 server. Then see whether the issue still exists.
Both install following two updates:
The security update for SharePoint Server 2019: October 8, 2024 (KB5002647)
The update for SharePoint Server 2019 Language Pack (KB5002597)
Note: Before install updates, you must need to back up the entire farm.
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