22:54:20 WARN]: **** FAILED TO BIND TO PORT!

[22:54:20 WARN]: The exception was: java.net.BindException: Cannot assign requested address: bind

[22:54:20 WARN]: Perhaps a server is already running on that port?

[22:54:20 ERROR]: Encountered an unexpected exception

java.lang.IllegalStateException: Failed to initialize server

        at net.minecraft.server.MinecraftServer.runServer(MinecraftServer.java:1102) ~[paper-1.19.3.jar:git-Paper-448]

        at net.minecraft.server.MinecraftServer.lambda$spin$0(MinecraftServer.java:316) ~[paper-1.19.3.jar:git-Paper-448]

        at java.lang.Thread.run(Thread.java:1589) ~[?:?]

[22:54:20 ERROR]: This crash report has been saved to: C:\Users\USER\Desktop\페이퍼-1.19.3-서버구동기\.\crash-reports\crash-2023-04-24_22.54.20-server.txt

[22:54:20 INFO]: Stopping server

이게 오류 내용인데

아이피를 확인해보니 할당 아이피가 변경되었더라고요. 이게 바뀌는지 처음 알았어서 난처한데 어떻게 해결 가능할까요? 

기존 서버는 못 들어가나요?