Traceback (most recent call last):
  File "kivy/_clock.pyx", line 697, in kivy._clock.CyClockBase._process_events_before_frame
  File "kivy/_clock.pyx", line 218, in kivy._clock.ClockEvent.tick
  File "/home/user/wspace/electrum/.buildozer/android/platform/build-arm64-v8a/build/python-installs/Electrum/kivy/uix/recycleview/__init__.py", line 257, in refresh_views
  File "/home/user/wspace/electrum/.buildozer/android/platform/build-arm64-v8a/build/python-installs/Electrum/kivy/uix/recyclelayout.py", line 235, in set_visible_views
  File "/home/user/wspace/electrum/.buildozer/android/platform/build-arm64-v8a/build/python-installs/Electrum/kivy/uix/recycleview/views.py", line 406, in set_visible_views
  File "/home/user/wspace/electrum/.buildozer/android/platform/build-arm64-v8a/build/python-installs/Electrum/kivy/uix/recycleview/views.py", line 262, in get_view
  File "/home/user/wspace/electrum/.buildozer/android/platform/build-arm64-v8a/build/python-installs/Electrum/kivy/uix/recycleview/views.py", line 225, in create_view
  File "/home/user/wspace/electrum/.buildozer/android/platform/build-arm64-v8a/build/python-installs/Electrum/kivy/uix/behaviors/button.py", line 121, in __init__
  File "/home/user/wspace/electrum/.buildozer/android/platform/build-arm64-v8a/build/python-installs/Electrum/kivy/uix/boxlayout.py", line 145, in __init__
  File "/home/user/wspace/electrum/.buildozer/android/platform/build-arm64-v8a/build/python-installs/Electrum/kivy/uix/layout.py", line 76, in __init__
  File "/home/user/wspace/electrum/.buildozer/android/platform/build-arm64-v8a/build/python-installs/Electrum/kivy/uix/widget.py", line 359, in __init__
  File "/home/user/wspace/electrum/.buildozer/android/platform/build-arm64-v8a/build/python-installs/Electrum/kivy/uix/widget.py", line 463, in apply_class_lang_rules
  File "/home/user/wspace/electrum/.buildozer/android/platform/build-arm64-v8a/build/python-installs/Electrum/kivy/lang/builder.py", line 541, in apply
  File "/home/user/wspace/electrum/.buildozer/android/platform/build-arm64-v8a/build/python-installs/Electrum/kivy/lang/builder.py", line 663, in _apply_rule
  File "/home/user/wspace/electrum/.buildozer/android/platform/build-arm64-v8a/build/python-installs/Electrum/kivy/lang/builder.py", line 661, in _apply_rule
  File "/home/user/wspace/electrum/.buildozer/android/platform/build-arm64-v8a/build/python-installs/Electrum/kivy/uix/widget.py", line 463, in apply_class_lang_rules
  File "/home/user/wspace/electrum/.buildozer/android/platform/build-arm64-v8a/build/python-installs/Electrum/kivy/lang/builder.py", line 541, in apply
  File "/home/user/wspace/electrum/.buildozer/android/platform/build-arm64-v8a/build/python-installs/Electrum/kivy/lang/builder.py", line 743, in _apply_rule
KeyError: <ParserRule name='<Label>'>