I am getting a series of errors as I try to add pages, modify page properties, etc...very confusing to this marketing guy. Any technical folks out there that can simplify/describe the remedy? Thanks.

Sample error is below...also have them ending in 193 and other numbers.

Hosted at Bluehost. Site used to work fine, then began to notice these errors a few months ago. I have typically accepted updates to Concrete as available. Thanks, Jeff

Fatal error: Cannot make static method AttributeKey::getList() non static in class FileAttributeKey in /home6/ravingfa/public_html/membervantage/concrete/models/file_attributes.php on line 241