After effects CC RepeTile create a gap when use collapse transformations

[Panayoti125]

as far as i could tell this is not a new problem, but none of the solutions i found work for me.

I have a group of shapes with a mask that I pre-comp (2218px x 1920px).

I grab that group and place them in a new comp, the group of shapes that are in the corners I cut with a mask to create an infinite pattern.

but when I activate the collapse transformations and apply the effects, that gap is created between the images, and I tried to change the size of the comp, mask, shapes and more but nothing works, it is a problem that only appears when I activate the collapse transformations.

thanks for any suggestion.

[владимиря10618183]

Apply Curves effect above the Repe Tile effects and set the Alpha chanel

like this: 

[Rick Gerard]

I am wondering why you are using a mask and Rep Tile on a shape layer. Just adding two additional repeaters will give you complete control over the repeating pattern, and it will render faster.