Assembly command tab greyed out after insert component.

Hi,

I´m having the issue that if i´m in an assembly and insert a new component via insert component the assembly command tab gets grayed out. I coud not figure out what´s the issue. (See video attached) (I tested on SolidWorks 2017 SP3 and SP4 - on two different machines - same behaviour)

BR Alex

SolidworksUser Interface