[1.201 Forge] Frog Bonanza kicks everyone from server who are in the same dimension

[pipo-time]

After trying the Frog Bonanza with a nether coin, the game kicks everyone in the dimension that the Bonanza is in.
This message is displayed when the players are kicked:

Internal Exception: java.lang.IndexOutOfBoundsException: index: 14, length: 101 (expected range(0, 32))

[Xylonity]

Send the full crash log

[pipo-time]

There doesn't seem to be a crash-log on the server. We all just disconnected at once. And there wasn't one for individual players, since it didn't really crash the game, just kicked us.