LMS DB error

For the past few days, any time I try to add a new album to my library, I get a "No media library configured" error. I'm running LMS 7.7.3 on a Synology DS1511+ running DSM 5.1.

Any ideas?

[14-12-21 21:42:12.8405] Slim::Schema::Storage::throw_exception (100) Error: DBI Exception: DBD::SQLite::db do failed: database disk image is malformed [for Statement "PRAGMA synchronous = OFF"]
Trying to rebuild /volume1/@appstore/SqueezeCenter/Cache/library.db from scratch.
[14-12-21 21:42:12.8504] Slim::Utils::SQLiteHelper::postConnect (359) Optimizing DB because of missing or empty sqlite_stat1 table
[14-12-21 21:42:13.3422] Slim::Schema::Storage::throw_exception (122) Error: DBI Exception: DBD::SQLite::db do failed: disk I/O error [for Statement "PRAGMA journal_mode = WAL"]
[14-12-21 21:42:13.3437] Slim::Schema::Storage::throw_exception (122) Backtrace:

frame 0: Slim::Utils::Log::logBacktrace (/volume1/@appstore/SqueezeCenter/Slim/Schema/Storage.pm line 122)
frame 1: Slim::Schema::Storage::throw_exception (/volume1/@appstore/SqueezeCenter/CPAN/DBIx/Class/Storage/DBI.pm line 1006)
frame 2: DBIx::Class::Storage::DBI::__ANON__ (/volume1/@appstore/SqueezeCenter/CPAN/DBIx/Class/Storage/DBI.pm line 974)
frame 3: DBIx::Class::Storage::DBI::_do_query (/volume1/@appstore/SqueezeCenter/CPAN/DBIx/Class/Storage/DBI.pm line 945)
frame 4: DBIx::Class::Storage::DBI::connect_call_do_sql (/volume1/@appstore/SqueezeCenter/CPAN/DBIx/Class/Storage/DBI.pm line 927)
frame 5: DBIx::Class::Storage::DBI::_do_connection_actions (/volume1/@appstore/SqueezeCenter/CPAN/DBIx/Class/Storage/DBI.pm line 934)
frame 6: DBIx::Class::Storage::DBI::_do_connection_actions (/volume1/@appstore/SqueezeCenter/CPAN/DBIx/Class/Storage/DBI.pm line 874)
frame 7: DBIx::Class::Storage::DBI::_run_connection_actions (/volume1/@appstore/SqueezeCenter/CPAN/DBIx/Class/Storage/DBI.pm line 864)
frame 8: DBIx::Class::Storage::DBI::_populate_dbh (/volume1/@appstore/SqueezeCenter/CPAN/DBIx/Class/Storage/DBI.pm line 789)
frame 9: DBIx::Class::Storage::DBI::ensure_connected (/volume1/@appstore/SqueezeCenter/Slim/Schema/Storage.pm line 43)
frame 10: (eval) (/volume1/@appstore/SqueezeCenter/Slim/Schema/Storage.pm line 43)
frame 11: Slim::Schema::Storage::dbh (/volume1/@appstore/SqueezeCenter/Slim/Schema.pm line 314)
frame 12: Slim::Schema::_connect (/volume1/@appstore/SqueezeCenter/Slim/Schema.pm line 129)
frame 13: Slim::Schema::init (/volume1/@appstore/SqueezeCenter/Slim/Utils/SQLiteHelper.pm line 534)
frame 14: Slim::Utils::SQLiteHelper::_notifyFromScanner (/volume1/@appstore/SqueezeCenter/Slim/Control/Request.pm line 1884)
frame 15: (eval) (/volume1/@appstore/SqueezeCenter/Slim/Control/Request.pm line 1884)
frame 16: Slim::Control::Request::execute (/volume1/@appstore/SqueezeCenter/Slim/Web/JSONRPC.pm line 408)
frame 17: Slim::Web::JSONRPC::requestMethod (/volume1/@appstore/SqueezeCenter/Slim/Web/JSONRPC.pm line 212)
frame 18: (eval) (/volume1/@appstore/SqueezeCenter/Slim/Web/JSONRPC.pm line 212)
frame 19: Slim::Web::JSONRPC::handleURI (/volume1/@appstore/SqueezeCenter/Slim/Web/HTTP.pm line 486)
frame 20: Slim::Web::HTTP::processHTTP (/volume1/@appstore/SqueezeCenter/Slim/Networking/IO/Select.pm line 139)
frame 21: (eval) (/volume1/@appstore/SqueezeCenter/Slim/Networking/IO/Select.pm line 123)
frame 22: Slim::Networking::IO::Select::__ANON__ (/volume1/@appstore/SqueezeCenter/Slim/Networking/IO/Select.pm line 184)
frame 23: (eval) (/volume1/@appstore/SqueezeCenter/Slim/Networking/IO/Select.pm line 184)
frame 24: Slim::Networking::IO::Select::loop (/volume1/@appstore/SqueezeCenter/slimserver.pl line 695)
frame 25: main::idle (/volume1/@appstore/SqueezeCenter/slimserver.pl line 645)
frame 26: main::main (/volume1/@appstore/SqueezeCenter/slimserver.pl line 1158)

[14-12-21 21:42:13.3448] Slim::Schema::Storage::throw_exception (122) Error: Carp::Clan::__ANON__(): DBI Exception: DBD::SQLite::db do failed: disk I/O error [for Statement "PRAGMA journal_mode = WAL"] at /volume1/@appstore/SqueezeCenter/Slim/Schema/Storage.pm line 126
[14-12-21 21:42:13.3459] Slim::Schema::Storage::throw_exception (122) Backtrace:

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