Crash by puddles

[H3lpm3pl3453]

[Server thread/ERROR]:
Caused by: java.lang.IllegalArgumentException: Cannot get property class_2758{name=level, clazz=class java.lang.Integer, values=[0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15]} as it does not exist in Block{puddles:puddle}
This happens after world is loaded and before i join