How can I remove this black line when I use lightbaking and lightmap?

How can I remove this black line when I use lightbaking and lightmap?
My UV channel and UV Map is no problem but when I use lightbaking in Playcanvas it will appear this black line
Can someone help me?Thanks a lot.

emov

Hi. If you go to Settings (gear icon) -> Lightmapping -> Mode, is it set to “Color and direction” or “Color only”? Do you have these lines on color only?