NullPointerException in SettingsForm.<init>

[kshchepanovskyi]

https://sentry.io/ks-projects/protobuf-support/issues/319550136/

NullPointerException: None
    at io.protostuff.jetbrains.plugin.settings.SettingsForm.<init>(SettingsForm.java:40)
    at io.protostuff.jetbrains.plugin.settings.ProtobufSettingsConfigurable.createComponent(ProtobufSettingsConfigurable.java:36)
    at com.intellij.openapi.options.ex.ConfigurableWrapper.createComponent(ConfigurableWrapper.java:164)
    at com.intellij.openapi.options.ex.ConfigurableCardPanel.a(ConfigurableCardPanel.java:73)
    at com.intellij.openapi.application.ReadAction.compute(ReadAction.java:47)
...
(66 additional frame(s) were not displayed)

cannot create configurable component