Server crashes shortly after one logs in in a certain region

u: Exception ticking world entities
at net.minecraft.server.MinecraftServer.r(SourceFile:466)
at hz.r(SourceFile:255)
at net.minecraft.server.MinecraftServer.q(SourceFile:397)
at net.minecraft.server.MinecraftServer.run(SourceFile:331)
at gp.run(SourceFile:573)
Caused by: java.lang.OutOfMemoryError: GC overhead limit exceeded
at java.util.Formatter$FormatSpecifier.print(Formatter.java:3226)
at java.util.Formatter$FormatSpecifier.print(Formatter.java:3164)
at java.util.Formatter$FormatSpecifier.printFloat(Formatter.java:2734)
at java.util.Formatter$FormatSpecifier.print(Formatter.java:2683)
at java.util.Formatter.format(Formatter.java:2449)
at java.util.Formatter.format(Formatter.java:2383)
at java.lang.String.format(String.java:2781)
at mp.a(SourceFile:1569)
at aab.h(SourceFile:1226)
at iz.h(SourceFile:390)
at net.minecraft.server.MinecraftServer.r(SourceFile:462)