Check the apache error_log, this looks like the page is failing to execute half way through. The reason will be in the error_log

Adam.

From: observium observium-bounces@observium.org On Behalf Of Edvinas Kairys via observium Sent: 30 June 2021 12:01 To: Observium observium@observium.org Cc: Edvinas Kairys edvinas.email@gmail.com Subject: [Observium] alert checkers windows after migration to new server is blank

Hello,

After migration to new service, using mysql dump and then restore, on the new server i see alert checkers windows blank, even the page source displays the alerts. Any clues ?

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