Java error on startup (FAF client 1.2.3)

Hello,

I always get below Java error when I want to start the FAF client:

java.lang.RuntimeException: Exception in Application init method
at com.sun.javafx.application.LauncherImpl.launchApplication1(LauncherImpl.java:895)
at com.sun.javafx.application.LauncherImpl.lambda$launchApplication$2(LauncherImpl.java:195)
at java.base/java.lang.Thread.run(Thread.java:832)
Caused by: org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'featuredModFileCacheService' defined in URL [jar:file:/C:/Program%20Files/Downlord's%20FAF%20Client/lib/downlords-faf-client-1.2.3.jar!/com/faforever/client/io/FeaturedModFileCacheService.class]: Unsatisfied dependency expressed through constructor parameter 0; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'preferencesService' defined in URL [jar:file:/C:/Program%20Files/Downlord's%20FAF%20Client/lib/downlords-faf-client-1.2.3.jar!/com/faforever/client/preferences/PreferencesService.class]: Invocation of init method failed; nested exception is java.lang.ExceptionInInitializerError
at org.springframework.beans.factory.support.ConstructorResolver.createArgumentArray(ConstructorResolver.java:797)
at org.springframework.beans.factory.support.ConstructorResolver.autowireConstructor(ConstructorResolver.java:227)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.autowireConstructor(AbstractAutowireCapableBeanFactory.java:1356)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1203)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:556)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:516)
at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:324)
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:234)
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:322)
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:202)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:897)
at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:879)
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:551)
at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:758)
at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:750)
at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:405)
at org.springframework.boot.SpringApplication.run(SpringApplication.java:315)
at org.springframework.boot.builder.SpringApplicationBuilder.run(SpringApplicationBuilder.java:140)
at com.faforever.client.FafClientApplication.init(FafClientApplication.java:105)
at com.sun.javafx.application.LauncherImpl.launchApplication1(LauncherImpl.java:824)
... 2 more
Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'preferencesService' defined in URL [jar:file:/C:/Program%20Files/Downlord's%20FAF%20Client/lib/downlords-faf-client-1.2.3.jar!/com/faforever/client/preferences/PreferencesService.class]: Invocation of init method failed; nested exception is java.lang.ExceptionInInitializerError
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1794)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:594)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:516)
at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:324)
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:234)
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:322)
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:202)
at org.springframework.beans.factory.config.DependencyDescriptor.resolveCandidate(DependencyDescriptor.java:276)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1307)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1227)
at org.springframework.beans.factory.support.ConstructorResolver.resolveAutowiredArgument(ConstructorResolver.java:884)
at org.springframework.beans.factory.support.ConstructorResolver.createArgumentArray(ConstructorResolver.java:788)
... 21 more
Caused by: java.lang.ExceptionInInitializerError
at com.faforever.client.preferences.Preferences.<init>(Preferences.java:70)
at com.faforever.client.preferences.PreferencesService.afterPropertiesSet(PreferencesService.java:166)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1853)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1790)
... 32 more
Caused by: com.sun.jna.platform.win32.Win32Exception: Das System kann den angegebenen Pfad nicht finden.
at com.sun.jna.platform.win32.Shell32Util.getFolderPath(Shell32Util.java:55)
at com.sun.jna.platform.win32.Shell32Util.getFolderPath(Shell32Util.java:68)
at com.faforever.client.preferences.ForgedAlliancePrefs.<clinit>(ForgedAlliancePrefs.java:29)
... 36 more

Any idea? I updated Java but no change. I reinstalled Forged Alliance via Steam = no change

Found the problem: I transfered the My Documents Folder from C drive to a different drive a while ago. If that drive is not connected I get this error.