Corrupt installation help!

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Hi There,

Just tried to log in to a site that has been stable and running for some time to find around 80 lines of error messages... don't know where to start to get things back.
Can anyone advise

here is a sample of the errors
Strict Standards: Non-static method Cache::get() should not be called statically in xxx/xxx/xxxx/c5/concrete/models/package.php on line 78

 
fraserh replied on at Permalink Reply
Figured it out!
Had updated the global PHP settings at my host and this was incompatible with older C5 installation