Blocked area Help?

[RomainLastChaos]

Hello community im looking if someone know how to remove the block zone from water for exemple 

 

on juno cant go on water with the old juno well 

 

i have try the color pink with the serious editor like 

 

edit mode -> Attribute to show the area blocked 

 

2

 after i have try to remove the color with CTRL + LEFT CLIK OF MOUSE it have remove succesfully 

 

2

 

 

but ingame  cant go on water it look it have again blocked area i think is a problem with blockzone i dont know if someone can explain a bit about the blocked area zonning

 

thanks