Field '_maskColorOpacity@1172011985' has not been initialized

[maomao1020]

The following LateError was thrown building GZXDropDownMenu(dirty, dependencies: [_EffectiveTickerMode, MediaQuery], state: _GZXDropDownMenuState#610c4(ticker inactive)):
LateInitializationError: Field '_maskColorOpacity@1172011985' has not been initialized.

[hpsaah]

In my case the error appears when trying to hide the menu when moving between options of the bottomNavigationBar. So i change the code asking if menu is showing before try to hide.

  if ( _dropdownMenuController.isShow ) {
    _dropdownMenuController.hide();
  }