How to get more information about error 500 - internal server error?

Question

I use $ajax requests in many parts of my PHP website everything was working perfectly until few days ago all my $ajax requests start giving e

Answer 1

It is very possible that your host has done a recent update on their servers which causes the problem.

You should advice them to look at the memory consumption, and maybe try to increase Apache memory limit parameter: "RLimitMEM" to upper value, which is a common factor for this kind of error.