I have a wierd runtime error

I haven't done any thing yet in the blocks section but I get this error Error from Companion: invoke: no method named `Column' in class edu.mit.appinventor.aicompanion3.Screen1
my companion version is 2.70
my phone is samsung galaxy a32

(Canned Reply: ABG- Export & Upload .aia)
Export your .aia file and upload it here.