I cannot select any feature other than planes to add constraints

[marripati]

Whenever I am bringing in a part to assemble, I cannot select any feature other than planes to add constraints.
I can select and features form the parts already there in the assembly but not the part the just bought. The part is acting like a whole body

[StephenW]

If right mouse click, if the dialog is set to MOVE COMPONENT or SELECT ASSEMBLY ITEM, creo will behave that way. I've accidentally gotten there. That's the only thing I can think of right off hand.

[Mahesh_Sharma]

@marripati

Check the Reference control settings for part which is not working, File > Prepare > Model Properties > Change Reference and backup > Check permission for reference creation or reference for placement.