17:05:51.988 [JavaFX Application Thread] ERROR org.jabref.JabRefMain - Unexpected exception
java.util.MissingResourceException: Can't find bundle for base name l10n/JabRef, locale en
	at java.util.ResourceBundle.throwMissingResourceException(ResourceBundle.java:2055) ~[?:?]
	at java.util.ResourceBundle.getBundleImpl(ResourceBundle.java:1689) ~[?:?]
	at java.util.ResourceBundle.getBundleImpl(ResourceBundle.java:1582) ~[?:?]
	at java.util.ResourceBundle.getBundleImpl(ResourceBundle.java:1556) ~[?:?]
	at java.util.ResourceBundle.getBundle(ResourceBundle.java:932) ~[?:?]
	at org.jabref.logic.l10n.Localization.createResourceBundles(Localization.java:111) ~[main/:?]
	at org.jabref.logic.l10n.Localization.setLanguage(Localization.java:83) ~[main/:?]
	at org.jabref.preferences.JabRefPreferences.<init>(JabRefPreferences.java:429) ~[main/:?]
	at org.jabref.preferences.JabRefPreferences.getInstance(JabRefPreferences.java:706) ~[main/:?]
	at org.jabref.JabRefMain.start(JabRefMain.java:55) ~[main/:?]
	at com.sun.javafx.application.LauncherImpl.lambda$launchApplication1$9(LauncherImpl.java:846) ~[javafx-graphics-14-win.jar:?]
	at com.sun.javafx.application.PlatformImpl.lambda$runAndWait$12(PlatformImpl.java:455) ~[javafx-graphics-14-win.jar:?]
	at com.sun.javafx.application.PlatformImpl.lambda$runLater$10(PlatformImpl.java:428) ~[javafx-graphics-14-win.jar:?]
	at java.security.AccessController.doPrivileged(AccessController.java:391) ~[?:?]
	at com.sun.javafx.application.PlatformImpl.lambda$runLater$11(PlatformImpl.java:427) ~[javafx-graphics-14-win.jar:?]
	at com.sun.glass.ui.InvokeLaterDispatcher$Future.run(InvokeLaterDispatcher.java:96) ~[javafx-graphics-14-win.jar:?]
	at com.sun.glass.ui.win.WinApplication._runLoop(Native Method) ~[javafx-graphics-14-win.jar:?]
	at com.sun.glass.ui.win.WinApplication.lambda$runLoop$3(WinApplication.java:174) ~[javafx-graphics-14-win.jar:?]
	at java.lang.Thread.run(Thread.java:832) [?:?]

Deprecated Gradle features were used in this build, making it incompatible with Gradle 7.0.
Use '--warning-mode all' to show the individual deprecation warnings.
See https://docs.gradle.org/6.3/userguide/command_line_interface.html#sec:command_line_warnings

BUILD SUCCESSFUL in 2m 25s