Help can't install App's

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Hey All,
i can't install any Apps anymore...
i always get this Massage


Warning: copy() [function.copy]: URL file-access is disabled in the server configuration in /home/httpd/vhosts/CENSURED/httpdocs/root/updates/concrete5.4.2/concrete/libraries/marketplace.php on line 85

Warning: copy(http://www.concrete5.org/marketplace/connect/-/download_remote/W9u7FAbcejY3TkVSInwAj9AObrYYn7zQak4Hs76sKr4rzkEMKMteSEGbT1ZP8xY2/262/?csiURL=http%3A%2F%2F(CENSURED)%2F(CENSURED)) [function.copy]: failed to open stream: no suitable wrapper could be found in /home/httpd/vhosts/(CENSURED)/httpdocs/root/updates/concrete5.4.2/concrete/libraries/marketplace.php on line 85

Warning: Cannot modify header information - headers already sent by (output started at /home/httpd/vhosts/(CENSURED)/httpdocs/root/updates/concrete5.4.2/concrete/libraries/marketplace.php:85) in /home/httpd/vhosts/(CENSURED)/httpdocs/root/updates/concrete5.4.2/concrete/libraries/view.php on line 791

can anyone help me?

 
item replied on at Permalink Reply
Anyone?
12345j replied on at Permalink Reply
12345j
contact your hosts, you can't use a php function.
item replied on at Permalink Reply
ehm thats not possibele, i can use PHP! i allready installed some stuff..

Yesterday it worked well, but today....

Any other ideas?
12345j replied on at Permalink Reply
12345j
sorry, I was unclear. It seems like the php function copy() isn't working correctly on your site- thats what the errors are about. This is related to your server configuration, not to c5.
item replied on at Permalink Reply
Ok, what could i do?