The stand alone extensions:
CSS FORM BUILDER 2.0.1
DATAASSIST 2.1.0
DYNAMIC CONNECTION 1.0.0
Form Toolkit 1.0.0
Framework Builder 1.0.2
SecurityAssist 1.1.9
are not compatible with Dreamweaver CS6.
To continue using those versions, you will need to use a previous version version of Dreamweaver.
If you wish to use those extensions in DW CS6, you will need to upgrade to Data Bridge.