So Yeah This Glitch/Game Error was found in just a regular game story mode
Hey there, @B.L.N.O_OFFICIAL, you can actually manually activate any special gem, such as the purple one in the top row, in order to activate its ability. Doing so would clear out the gems in its row and give you new gems to play with.
In the case of there being no more legal moves, the gems will get re-shuffled automatically so that you can continue to play. I hope this helps!