Is this possible? What audacity!

I was surprised looking at this:
and this:
But I was surprised more looking at my claim because in past it was spread untill water. Now it is trimmed to default and water is occupied by someone's water claim (see pictures above).
How did it happen?
and this:
But I was surprised more looking at my claim because in past it was spread untill water. Now it is trimmed to default and water is occupied by someone's water claim (see pictures above).
How did it happen?