administrator user group permission error is fixed.

Changing is :

From
 `s:14:"marketing/affiliate";`
to
 `s:19:"marketing/affiliate";`

Fatal error: Uncaught exception 'ErrorException' with message 'unserialize(): Error at offset 2739 of 7722 bytes' in ….
Merge pull request #718 from hkulekci/install-sql

administrator user group permission error is fixed.