В чем проблема?
java.lang.NullPointerException: Complete version is NULL
at ru.turikhay.tlauncher.minecraft.launcher.MinecraftLauncher.collectInfo(MinecraftLauncher.java:387)
at ru.turikhay.tlauncher.minecraft.launcher.MinecraftLauncher.start(MinecraftLauncher.java:251)
at ru.turikhay.tlauncher.rmo.TLauncher.launch(TLauncher.java:407)
at ru.turikhay.tlauncher.ui.login.LoginForm.runProcess(LoginForm.java:165)
at ru.turikhay.tlauncher.ui.login.LoginForm.access$000(LoginForm.java:34)
at ru.turikhay.tlauncher.ui.login.LoginForm$StartThread.iterateOnce(LoginForm.java:206)
at ru.turikhay.util.async.LoopedThread.run(LoopedThread.java:38)
Thread called by: ru.turikhay.util.async.ExtendedThread$ExtendedThreadCaller
at ru.turikhay.util.async.ExtendedThread.(ExtendedThread.java:16)
at ru.turikhay.util.async.LoopedThread.(LoopedThread.java:7)
at ru.turikhay.util.async.LoopedThread.(LoopedThread.java:11)
at ru.turikhay.tlauncher.ui.login.LoginForm$StartThread.(LoginForm.java:199)
at ru.turikhay.tlauncher.ui.login.LoginForm.(LoginForm.java:73)
at ru.turikhay.tlauncher.ui.scenes.DefaultScene.(DefaultScene.java:50)
at ru.turikhay.tlauncher.ui.MainPane.(MainPane.java:49)
at ru.turikhay.tlauncher.ui.TLauncherFrame.(TLauncherFrame.java:98)
at ru.turikhay.tlauncher.rmo.TLauncher.init(TLauncher.java:255)
at ru.turikhay.tlauncher.rmo.TLauncher.(TLauncher.java:206)
… And 2 more
Попробуй Java переустановить
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Посмотри тут https://steamgifts.co/go/?id=ZGPZhktVb
