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Hello all I am in desperate need of some help we have a list of sites for a major client that are having some odd issues we are having a hard time tracking down.
When trying to load a website we get this error [here])
Refreshing the browser or clicking on the site logo resolves this issue and the site loads but it has been giving that critical error message at a higher rate.
This is a hard issue to debug since refreshing the browser fixes the site so that leads to false positives when troubleshooting.
As far as environment the biggest change recently was a migration from godaddy servers to liquidweb. Hoping someone here has ran into an issue like this or could point us in the right direction. Thank you in advance.
You need to find out what error is happening, that WP error page wont tell you nothing.
Your hosting provider should have somewhere mentioned where you can find PHP error log and Apache log (if its run on Apache). There you can find what is really happening – can be from unreachable database to problems with memory usage etc.)
Without access to those logs you can try set WP Debug mode to TRUE (in wp_config) and use some tool to catch exception/errors and log them by yourself.
EDIT: Try [this link]) or [this one])
Click the blue link in the error message and follow the instructions on how to debug the problem i.e. enable debugging.