Can't match CRIT+CRIT+Purple Gem

Unknown

Hello,

I found domething weird. I did not succeed to match those 3 gems this morning
[XXXXX][Purple][XXXXX]
[XXXXX][XXXXX][CRITX]
[XXXXX][CRITX][XXXXX]

placed on bottom right of the screen.

Something weird. Did you already met this ?

Regards,

Lleywen