I tried to update our bps with refrence ponits and it works fine and is awesome until the game wouldn´t let me save certain bps with following notification.

"Snap to grid value for this blueprint has to be multiple of 2."

When I then set the grid size to 2x2 the adjustment via X/Y-Signals is done in increments of 2, so I can´t get it to fit the sceme anymore.

Can you give me an example blueprint?

Rail blueprints have always been limited in their placement. But I don't understand how an old blueprint is suddenly incompatible.

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sorry couldn´t find a smaller one. it acxtualy seems to happen with bps that include rails, yes

when you set this bp to 1x1 grid it wont let you save it

2x2 grid is fine for rail blueprints. I only mentioned 1x1 in the documentation because that provides the most flexibility if you are allowed to use it.

oh ok,
when I try to adjust a bp with 2x2 grid size, by giving X-signal via combinator it is done in increments of 2 tiles wich confuses me.

Like adjusting with X-Signal=1 moves it 2 tiles
I´ll give it another test runs in a bit

If you prefer to round down instead of up, you can move your deployer chest over 1 tile.