524 errors and time out errors

Hi, i am trying to delete old posts from my site but i am having serious problems. I am using pro cloudflare but this happens if i have cloudflare activated or paused. if i try and delete more than 50 posts at a time then i get a 524 error

A timeout occurred Error code 524

Visit cloudflare.com for more information.

2024-04-01 12:27:52 UTC

cany anyone please give me advice. i have also tried using wp bulk delete and it still has the same problem