Map Failed to save chunk

[Koraze]

Bonjour,
J'aimerais savoir comment regler le problème des chunks svp

ERROR [08:09:53] [pool-3-thread-11/ERROR]: Failed to save chunk
ERROR [08:09:53] [pool-3-thread-11/ERROR]: Failed to save chunk
ERROR [08:09:54] [pool-3-thread-11/ERROR]: Failed to save chunk
ERROR [08:09:54] [pool-3-thread-11/ERROR]: Failed to save chunk
ERROR [08:09:54] [pool-3-thread-11/ERROR]: Failed to save chunk
ERROR [08:09:54] [pool-3-thread-11/ERROR]: Failed to save chunk
ERROR [08:09:54] [pool-3-thread-11/ERROR]: Failed to save chunk
ERROR [08:09:54] [pool-3-thread-11/ERROR]: Failed to save chunk