Error after last update: attempt to call a internal<tuple> value near 'for..in'#2991

My mod give me error new msg after last update

-1 [Global] Lua Error <startGame>: (Global: line 1593, cols 4-55): attempt to call a internal<tuple> value near 'for..in'
    at placeMarkersInColumns (Global: line 1579, cols 30-32)
    at startGame (Global: line 393, cols 18-20)

To reproduce just load my mod and press Start button