Package userpackage1.0.4 does not support any target frameworks

[mitesh (Mitesh Agrawal)]

Hi @loginerror,
Thanks for you input. Issue resolved. As you suggested, I had to republish custom activity after updating dependencies used in same custom activity.
I am getting another error , please take a look at below page:

Custom activity package not visible in Studio

Custom activity is not visible in activity list after installing via package manager