Weird glitches in my savefile

[Gengar768]

So iv never had this happen to me when i played v 12 before so this is really weird to me

so whenever theres like a map connecting to another map it goes really weird like this

 

 

 

 

 

or im in the same place but it shows me a different place

this isnt relevent to this but i just thought id throw it in there

whenever i get a wild encounter i keep getting an error about using a black flute. this happens when im using the rejuv modpack

 

if someone could help me with any of these errors id appreciate it!

(also if u need any extra info about whats happin dm me)Game.rxdata