I"m used the 2.3 version and older but now i installed same server he 3.0.2.0 version of OC,
Is I try install or just upload any OCMOD zip or xml I got an error message like this:
SyntaxError: JSON.parse: unexpected character at line 1 column 1 of the JSON data
OK
<b>Warning</b>: Invalid argument supplied for foreach() in <b>/var/www/data1/S5-053/piac/parna/xxxxxxx.hu/admin/controller/marketplace/installer.php</b> on line <b>95</b>{"text":"Installing","next":"http:\/\/xxxxxxx.hu\/admin\/index.php?route=marketplace\/install\/install&user_token=yswS6xQqwkGPGY611mUiVEql5p8NMnUZ&extension_install_id=2"}
The hosting provider say the curl or other server module workinhg fine.
I"m looking any solution but i nothing fount until this time

The folders permission is ok.
I hope anybody can help me here.
Thanks
Laszkris