[MCPE-165002] Water drains away after being place with /fill command.

When attempting to create an aquarium with the fill command

/fill ~~~ ~~~ water 1 replace air

the water fills the cubic area as executed but drains away....

its supposed to fill and stay; it doesn't.

the following pictures show when command is executed/after execution && the command within the command block.

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Thank you for your report!

However, this issue has been closed as Working as Intended.

The command works as expected if 0 is used instead of 1.

/fill ~~~ ~~~ water 0 replace air

If values higher than 0 are used, a non-source water block is created.

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