Random 520 error on Wordpress Admin page

Hi !

I’ve got 520 error on Wordpress Admin sometimes. If i clear the browser cache and reload, it’s works again.

I tried many things, based on others topics, but :

  • It’s not a server overload problem
  • No PHP error
  • No Web Server error

I disabled http2 on every websites behind Cloudflare.

All is working well if y bypass Cloudflare.

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