nwjs Preferences can not be read

[QuinDennis]

simple app, nwjs doesn't load

Using nw.js v0.21.0-rc1
[8657:8677:0227/175037.655951:ERROR:connection.cc(1947)] Web sqlite error 5, errno 0: database is locked, sql: COMMIT

[8657:8677:0227/175037.657933:ERROR:web_database_backend.cc(113)] Cannot initialize the web database: 1

[8657:8690:0227/175037.664236:ERROR:connection.cc(1947)] History sqlite error 5, errno 0: database is locked, sql: DELETE FROM meta WHERE key=?

[8657:8657:0227/175037.710566:ERROR:desktop_window_tree_host_x11.cc(1145)] Not implemented reached in virtual void views::DesktopWindowTreeHostX11::InitModalType(ui::ModalType)

[8657:8676:0227/175038.674886:ERROR:data_store_impl.cc(129)] Failed to open Data Reduction Proxy DB: 3

[8657:8678:0227/175050.292706:ERROR:value_store_frontend.cc(55)] Error while writing hbdenpmkdkfgkkhlkbaongnajdgigcjk.declarative_rules.declarativeWebRequest.onRequest to

[8657:8678:0227/175051.294602:ERROR:value_store_frontend.cc(55)] Error while writing hbdenpmkdkfgkkhlkbaongnajdgigcjk.declarative_rules.declarativeContent.onPageChanged to

[8657:8690:0227/175137.668610:ERROR:connection.cc(1947)] History sqlite error 5, errno 0: database is locked, sql: INSERT OR REPLACE INTO meta (key,value) VALUES (?,?)