2 days ago it was workin. and now failed..i found something,for example 2 days ago i have 100 forum,and now i have 10 more..i mean 110 forums..
is does not with 110 forums..(that errors)(forumcashe) i think sql can not read that table because it is big file more or less 1 MB
when i delete 5,10,15 forums it work

(there is no error)
we should do something for more forums ..i am not coder

i dont know what will do at php files or sql files ??
have any idea?