Server crashing when saving

When playing, I get the crash error on my server. 

" A fatal error has been detected by the Java Runtime Environment:
#

1. EXCEPTION_ACCESS_VIOLATION (0xc0000005) at pc=0x0000000003d1f5b9, pid=940, tid=0x00000000000008c0
   #
2. JRE version: Java(TM) SE Runtime Environment (8.0_221-b11) (build 1.8.0_221-b11)
3. Java VM: Java HotSpot(TM) 64-Bit Server VM (25.221-b11 mixed mode windows-amd64 compressed oops)
4. Problematic frame:
5. J 13103 C2 net.minecraft.server.v1_14_R1.WorldServer.a(Lnet/minecraft/server/v1_14_R1/Chunk;I)V (598 bytes) @ 0x0000000003d1f5b9 [0x0000000003d1f320+0x299]
   #
6. Core dump written. Default location: C:\Users\Administrator\Downloads\Minecraft\hs_err_pid940.mdmp
   #
7. If you would like to submit a bug report, please visit:
8. http://bugreport.java.com/bugreport/crash.jsp " 

I seem to only get this when saving and it's pretty consistent during my time hosting a server.