File is in wrong state

Hi,

Why everytime the error "File is in wrong state" comes while performing the change state operation.

I have two diffrent folder:  one is CAD Files and other is Standard part operatable by two diff workflow. CAD files's workflow have multiple states while Standard part' s workflow has only one state i.e. checked in.

Suppose i have a drawing assosiated with standard part inside the CAD Files folder and i want to send these for review . At that point i m receiving an error like File is in wrong state. 

Any suggestion what am i missing here. fyi jpeg is attached

Thanks

Ajay Baranwal

SolidworksSolidworks Pdm enterprise Pdm