I was also sceptical about that part, but I was just not sure whether there is a limit of number of characters to be shown within an error.
I checked the reading properties from the admin panel and set the “post per page” variable one more time. Now it works just fine. Thanks for the support!
They were updating my b/w and disk space limits, but told me that has nothing to do with wordpress or mysql. And I am also not sure that two things are related. Do you have any idea, why did the problem occur? The link to my blog is here, you can also have a look: my blog
