Traceback (most recent call last):
  File "/home/user/wspace/electrum/.buildozer/android/app/electrum/gui/qml/qeinvoice.py", line 672, in saveInvoice
  File "/home/user/wspace/electrum/.buildozer/android/app/electrum/wallet.py", line 1105, in save_invoice
  File "/home/user/wspace/electrum/.buildozer/android/app/electrum/wallet.py", line 397, in save_db
  File "/home/user/wspace/electrum/.buildozer/android/app/electrum/wallet_db.py", line 1635, in write
  File "/home/user/wspace/electrum/.buildozer/android/app/electrum/util.py", line 470, in do_profile
  File "/home/user/wspace/electrum/.buildozer/android/app/electrum/wallet_db.py", line 1645, in _write
  File "/home/user/wspace/electrum/.buildozer/android/app/electrum/storage.py", line 86, in write
OSError: [Errno 28] No space left on device