Is this the rack you are referring to?
https://www.modulargrid.net/e/racks/synth/153674/954

There are no TrueGrid playable modules in it. Only a little selection of modules work in TrueGrid, check the "Playable in TrueGrid" option in the ModuleBrowser to see them.

Beep, Bopp, Bleep: info@modulargrid.net