How can I install joiner nodes (lab) in KNIME 4.1.2

Hello @jtao6,

I see. Not sure why report wouldn’t work in 4.2.2. Here is topic where user had same error message in case workspace was on Dropbox folder:

Also in this case user is using KNIME Server:

Are perhaps using KNIME Server as well or is there anything specific about your workspace location?

Br,
Ivan