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Description: I am trying to run the client on Ubuntu on an Arm device. Since java is universal, I do not think the platform I am using is the problem. The following error happens and the program basically halts. Not allowing me to progress further into the login: java.net.SocketException: Permission denied (ioctl(SIOCGIFHWADDR) failed) at java.base/java.net.NetworkInterface.getMacAddr0(Native Method) at java.base/java.net.NetworkInterface.getHardwareAddress(NetworkInterface.java:516) at rs.k.a.c(Unknown Source) at rs.k.a.e(Unknown Source) at rs.Client.a(Unknown Source) at rs.Client.az(Unknown Source) at rs.Client.m(Unknown Source) at rs.au.run(Unknown Source) at rs.Client.run(Unknown Source) at java.base/java.lang.Thread.run(Thread.java:829) Exception in thread "Thread-5" java.lang.NullPointerException at rs.k.a.e(Unknown Source) at rs.Client.a(Unknown Source) at rs.Client.az(Unknown Source) at rs.Client.m(Unknown Source) at rs.au.run(Unknown Source) at rs.Client.run(Unknown Source) at java.base/java.lang.Thread.run(Thread.java:829) How or when it occurs: Step 1: Run the client java -jar Runex.jar java -jar client.jar Step 2: Log in w/ correct credentials. I have tried both of jar files. I assume I get the same error, but it only shows it when i run the client.jar. It doesn't show much when running through the runex.jar. Screenshots/video if available: Imagine the login screen, but frozen This is what it says with java -jar runex.jar Loader initialized! Checking for updates.. Client up to date! Launching at -Xmx2048m Detected non-windows operating system