Water bug

[Yeet169169]

The water should move 8 blocks but it gets stuck mid way if anyone knows how to fix this pls tell me quick. Ign Yeet_169

 

[zombiecreeper27]

is there a claim border at that spot? i had a similar issue once, and it was because i tried to get water to flow into a pre-existing claim. water (and lava i think) won't flow past a claim border