I tried to contact WG but since the version im using is older, they do not support it. I try to add an owner to a region, and it sends an error to console.
30.04 20:29:57 [Server] WARN WorldGuard encountered an unexpected error
30.04 20:29:57 [Server] INFO java.lang.IllegalArgumentException: No input stream available
30.04 20:29:57 [Server] INFO at com.sk89q.worldguard.util.profile.util.HttpRequest.returnContent(HttpRequest.java:224) ~[?:?]
30.04 20:29:57 [Server] INFO at com.sk89q.worldguard.util.profile.resolver.HttpRepositoryService.query(HttpRepositoryService.java:168) ~[?:?]
30.04 20:29:57 [Server] INFO at com.sk89q.worldguard.util.profile.resolver.HttpRepositoryService.findAllByName(HttpRepositoryService.java:141) ~[?:?]
30.04 20:29:57 [Server] INFO at com.sk89q.worldguard.util.profile.resolver.CombinedProfileService.findAllByName(CombinedProfileService.java:94) ~[?:?]
30.04 20:29:57 [Server] INFO at com.sk89q.worldguard.util.profile.resolver.CacheForwardingService.findAllByName(CacheForwardingService.java:71) ~[?:?]
30.04 20:29:57 [Server] INFO at com.sk89q.worldguard.protection.util.DomainInputResolver.call(DomainInputResolver.java:124) ~[?:?]
30.04 20:29:57 [Server] INFO at com.sk89q.worldguard.protection.util.DomainInputResolver.call(DomainInputResolver.java:43) ~[?:?]
30.04 20:29:57 [Server] INFO at com.google.common.util.concurrent.TrustedListenableFutureTask$TrustedFutureInterruptibleTask.runInterruptibly(TrustedListenableFutureTask.java:111) ~[patched_1.12.2.jar:git-Paper-1618]
30.04 20:29:57 [Server] INFO at com.google.common.util.concurrent.InterruptibleTask.run(InterruptibleTask.java:58) ~[patched_1.12.2.jar:git-Paper-1618]
30.04 20:29:57 [Server] INFO at com.google.common.util.concurrent.TrustedListenableFutureTask.run(TrustedListenableFutureTask.java:75) ~[patched_1.12.2.jar:git-Paper-1618]
30.04 20:29:57 [Server] INFO at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [?:1.8.0_275]
30.04 20:29:57 [Server] INFO at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [?:1.8.0_275]
30.04 20:29:57 [Server] INFO at java.lang.Thread.run(Thread.java:748) [?:1.8.0_275]
30.04 20:29:57 [Server] WARN WorldGuard encountered an unexpected error
30.04 20:29:57 [Server] INFO java.lang.IllegalArgumentException: No input stream available
30.04 20:29:57 [Server] INFO at com.sk89q.worldguard.util.profile.util.HttpRequest.returnContent(HttpRequest.java:224) ~[?:?]
30.04 20:29:57 [Server] INFO at com.sk89q.worldguard.util.profile.resolver.HttpRepositoryService.query(HttpRepositoryService.java:168) ~[?:?]
30.04 20:29:57 [Server] INFO at com.sk89q.worldguard.util.profile.resolver.HttpRepositoryService.findAllByName(HttpRepositoryService.java:141) ~[?:?]
30.04 20:29:57 [Server] INFO at com.sk89q.worldguard.util.profile.resolver.CombinedProfileService.findAllByName(CombinedProfileService.java:94) ~[?:?]
30.04 20:29:57 [Server] INFO at com.sk89q.worldguard.util.profile.resolver.CacheForwardingService.findAllByName(CacheForwardingService.java:71) ~[?:?]
30.04 20:29:57 [Server] INFO at com.sk89q.worldguard.protection.util.DomainInputResolver.call(DomainInputResolver.java:124) ~[?:?]
30.04 20:29:57 [Server] INFO at com.sk89q.worldguard.protection.util.DomainInputResolver.call(DomainInputResolver.java:43) ~[?:?]
30.04 20:29:57 [Server] INFO at com.google.common.util.concurrent.TrustedListenableFutureTask$TrustedFutureInterruptibleTask.runInterruptibly(TrustedListenableFutureTask.java:111) ~[patched_1.12.2.jar:git-Paper-1618]
30.04 20:29:57 [Server] INFO at com.google.common.util.concurrent.InterruptibleTask.run(InterruptibleTask.java:58) ~[patched_1.12.2.jar:git-Paper-1618]
30.04 20:29:57 [Server] INFO at com.google.common.util.concurrent.TrustedListenableFutureTask.run(TrustedListenableFutureTask.java:75) ~[patched_1.12.2.jar:git-Paper-1618]
30.04 20:29:57 [Server] INFO at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [?:1.8.0_275]
30.04 20:29:57 [Server] INFO at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [?:1.8.0_275]
30.04 20:29:57 [Server] INFO at java.lang.Thread.run(Thread.java:748) [?:1.8.0_275]
