imageproxy cause error 500

[ipbfuck]

eg: https://laltroweb.it/applications/core/interface/imageproxy/imageproxy.php?img=https%3A%2F%2Fimg.tim.it%2Fsdr%2Flanding%2Ftim-prime%2Fprime_small.png&key=ebea6f33535bed5927cc714f17b042e5f5c471933f6fe8dad0c1bd9bb4425baa

but also simply: https://laltroweb.it/applications/core/interface/imageproxy/imageproxy.php

and seems to be a problem also here, in ipb:

https://invisionpower.com/applications/core/interface/imageproxy/imageproxy.php

someone can confirm if exist a problem with this? :|

 

regards...

[ipbfuck]

Edit: in this last week i've change host. then, change database name, psw, etc...

cause of this, and related to this problem with imageproxy, i've remember an old similar problem and this guide:

i've run again, generate same key already present in constants (so, i not understood how it work...), but now seems to work fine!