I'm sick and tired of that issue. Every day and especially when in Avernus I get blue screen. My friends I play with, also. We are all so much frustrated and pissed off that matter. This must be fixed asap.
Two things which I have done to help with the issue is to perform disk maintenance and deleting old files on my PS4. Here is a link which explains how but only do this if you feel confident it's worth doing so.
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https://www.easeus.com/todo-backup-resource/fix-ps4-error-code-ce-34878-0.html
- in umbra igitur pugnabimus!