[support] How to override this variable?

[Earl Miles]

marcob wrote:
'catdef_storylink_50'=> 'a:1:{i:0;s:2:"75";}',

What you see is a serialized array. This is unserialized upon load; the 
definition should be unserialized, so you want to give it an actual array:

'catdef_storylink_50'=> array('75');