Unable to set a new owner on a claim

[Foxof7207]

Server/ServerGamePacketListenerImpl] Foxof7207 issued server command: /claim setname claim-0 base
! [Mon 18:11:36 WARN ] java.lang.NullPointerException: Cannot invoke "fr.xyness.SCS.Types.Claim.getUUID()" because "claim" is null
! [Mon 18:11:36 WARN ]     at SimpleClaimSystem.jar//fr.xyness.SCS.ClaimMain.lambda$setClaimName$156(ClaimMain.java:3205)
! [Mon 18:11:36 WARN ]     at java.base/java.util.concurrent.CompletableFuture$AsyncSupply.run(CompletableFuture.java:1768)
! [Mon 18:11:36 WARN ]     at java.base/java.util.concurrent.CompletableFuture$AsyncSupply.exec(CompletableFuture.java:1760)
! [Mon 18:11:36 WARN ]     at java.base/java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:387)
! [Mon 18:11:36 WARN ]     at java.base/java.util.concurrent.ForkJoinPool$WorkQueue.topLevelExec(ForkJoinPool.java:1312)
! [Mon 18:11:36 WARN ]     at java.base/java.util.concurrent.ForkJoinPool.scan(ForkJoinPool.java:1843)
! [Mon 18:11:36 WARN ]     at java.base/java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1808)
! [Mon 18:11:36 WARN ]     at java.base/java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:188)

@Xyness