chunks not loading properly

chunks not loading properly disconnects or items in inventory glitch out including as seems your items dissiapeard transport close disconnected error often occur when it dose caannot load world for a long perion of time with errors the server refused to connect try again in a few minutes or it sits on screen saying loading chunks for a very long time as in the game chunks wont load and u will freeze annd be unable to move making u leave the game and world will not load back in this is a multi user error as many of my friends are encountering the same errors please get this fixed asap thank you for making a nice game