chunks not loading

[SulpherStaer]

09.09 15:26:56 [Server] Server thread/INFO Avg MSPT: 14.09 below 50. Increasing view distance in minecraft:overworld to to 12
09.09 15:27:16 [Server] Server thread/INFO Avg MSPT: 14.36 below 50. Increasing view distance in minecraft:overworld to to 13
09.09 15:27:36 [Server] Server thread/INFO Avg MSPT: 14.56 below 50. Increasing view distance in minecraft:overworld to to 14
09.09 15:27:56 [Server] Server thread/INFO Avg MSPT: 15.25 below 50. Increasing view distance in minecraft:overworld to to 15
09.09 15:28:16 [Server] Server thread/INFO Avg MSPT: 16.10 below 50. Increasing view distance in minecraft:overworld to to 16
09.09 15:29:56 [Server] Server thread/INFO Avg MSPT: 20.96 below 50. Increasing view distance in minecraft:the_nether to to 7
09.09 15:30:16 [Server] Server thread/INFO Avg MSPT: 19.37 below 50. Increasing view distance in minecraft:the_nether to to 8

The moment the nether adjusted its viewing distance, someone in the overworld encountered this issue. Prior to that everything was fine.

[SulpherStaer]

This issue still exists in the latest version. What extra information is required so you can fix this?

[Tom-The-Geek]

Are running any other mods on the server?