Possible solutions of your questions

Hello. give an example where you can see the problem. what script is installed, when the problem was created and what were you doing changes on the website. 

what errors? the server does not work neither with money nor with studies, that would be something to look for to see the problem. what kind of error are you looking for?. the script errors going to the file error_log in the folder of your website

no such function in php as \"transfer money\" . and the concept of \"personal Cabinet\"  in php it is not. something more specific can?  how moegino to see the problem? You asked about what script is used . what is a \"skript HYIP\" we do not know. also didn`t you bring a link to the page where you can see the problem. also need information about the requirements of the server providing the script.  what exactly was checked by the developer and that he is \"normal\" what is normal for that script?  need more information to understand the problem. So far, we are looking for \"something, not sure what.\"

you Listed the error from 22-May-2014 26 number now. if the errors are exactly the same autonauda  and now that by mistake you could say that the script does not receive its own internal variable Undefined variable: li10, what is this variable required to know the developer.  Pokajet mistake, maybe together, we get razobralas the problem

All the files you uploaded via FTP are stored in the folder in which you downloaded. Check the rights to files they should be 644, and folder rights to 755.