Site broken

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Hi my site just broke, dont know why, didnt update or anything can some help?:)

http://www.peterharbeck.dk/

Im gettting this error:

Warning: Declaration of Concrete5_Model_Page::add(CollectionType $ct, $data) should be compatible with Concrete5_Model_Collection::add($data) in /customers/2/b/1/peterharbeck.dk/httpd.www/concrete/core/models/page.php on line 12 Warning: Declaration of Concrete5_Model_Page::duplicate($nc, $preserveUserID = false) should be compatible with Concrete5_Model_Collection::duplicate() in /customers/2/b/1/peterharbeck.dk/httpd.www/concrete/core/models/page.php on line 12 Warning: Declaration of Concrete5_Model_EditPagePropertiesPagePermissionAccess::save($args) should be compatible with Concrete5_Model_PermissionAccess::save() in /customers/2/b/1/peterharbeck.dk/httpd.www/concrete/core/models/permission/access/categories/custom/edit_page_properties.php on line 146 Warning: Cannot modify header information - headers already sent by (output started at /customers/2/b/1/peterharbeck.dk/httpd.www/concrete/core/models/page.php:12) in /customers/2/b/1/peterharbeck.dk/httpd.www/concrete/core/libraries/view.php on line 963 Warning: Cannot modify header information - headers already sent by (output started at /customers/2/b/1/peterharbeck.dk/httpd.www/concrete/core/models/page.php:12) in /customers/2/b/1/peterharbeck.dk/httpd.www/concrete/core/libraries/view.php on line 657

mikefatty
 
mesuva replied on at Permalink Reply
mesuva
As it's a warning, I'd suggest this could be something to do with your PHP version having being changed (it would explain why it just started too).

Have a look at your hosting and see if you've been put on something like PHP7 - try PHP5.6 or lower.
rritz replied on at Permalink Reply
rritz
I got the same error, php version 5.6 did not work for me but changing the php version to 5.5 did the trick