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I just went on to my minecraft world and in the middle of a underwater structure that I had built with no issues yesterday was a huge hole. I can't place block or even go into it. Several of these appeared and they even started to occur on land. Also I have the Mo' Creatures mod and alot of the rays and dolphins are spawning around these areas.

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marked as duplicate by Frank, 5pike, Rapitor, Warface, CloudyMusic Jul 14 '14 at 15:36

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Try reloading the world. That usually fixes this type of thing. – Unionhawk Apr 24 '14 at 5:08
It should improve soon, according to TheMogMiner – Henk Langeveld Apr 24 '14 at 9:22
It look like the chunks weren't even generated, can you fall into them? – DatEpicCoderGuyWhoPrograms Jul 13 '14 at 17:01

Log out and then log back in again. This act of reloading the world should cause the client to regenerate the area.

What you are experiencing are 'Chunk Errors'. The world hasn't loaded that particular area properly.

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ive tried that several times but every time i go back into it the same chuncks are missing and some times more – Shadow Jonarc Landex Apr 24 '14 at 8:32
@ShadowJonarcLandex Ok, are you plying on a server, or is this single player? And are you using any mods? – shanodin Apr 24 '14 at 12:20
single player and i have 13 mods – Shadow Jonarc Landex Apr 25 '14 at 3:09
@ShadowJonarcLandex okay, can you go through and disable them all. Then add them back one by one, testing your game each time to see if your problem is being caused by mods? – shanodin Apr 25 '14 at 4:02
Yeah that might be an issue as one of my mods if i take it off when i go into the world it spawns huge chuncks of stone where anything from that mod was and it covers quite a lot of my area that i play in – Shadow Jonarc Landex Apr 25 '14 at 5:25

You can press F3+A to force reload the missing chunks, it doesn't always work in my experience though.

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thats not working either is there anything else i can do – Shadow Jonarc Landex Apr 24 '14 at 9:25

Shorten your field of view. Or at the very least, cycle through them once.

Changing your field of view forces the chunks around you to reload, and using a shorter field of view means having fewer chunks you need to load, which can drastically reduce the hole-in-the-world syndrome you're experiencing.

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that doesn't seem to be working either – Shadow Jonarc Landex Apr 25 '14 at 3:24
@ShadowJonarcLandex Try lowering the view to minimum and playing without a few of the mods. The reason lower field of view helps is because large voided chunks can occur when there's too many processes going on in the game at once, and reducing the amount of land that needs to be drawn helps. De-activating some mods should have the same effect. Though if you know processing isn't an issue, this probably isn't the solution you're looking for. – Zibbobz Apr 25 '14 at 13:04

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