Water in nether consistent with newer updates

I play Minecraft on a server that I own, so this has been a global issue between all my bedrock devices including Windows 10 and Mobile. After the past few Minecraft updates, the entire nether has been turned into stone and water. I have tried contacting the server numerous times that is responsible for providing me with the server and they have said they have no solutions for this. I don't know how to fix the nether turning into water and stone every time I open up minecraft, and in fact just today, after updating the server, minecraft registers the nether as a cave as axolotls and glow squids are spawning in the nether. Is there anything I can do to remotely change this? I have waited all summer to be able to play on my summer