Failed : SQLite error cannot commit - no transaction is active

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Whenever I try to run a second backup, I receive this error via email:

Failed: SQLite error
cannot commit - no transaction is active
Details: Mono.Data.Sqlite.SqliteException (0x80004005): SQLite error
cannot commit - no transaction is active
at Mono.Data.Sqlite.SQLite3.Reset (Mono.Data.Sqlite.SqliteStatement stmt) [0x00084] in :0
at Mono.Data.Sqlite.SQLite3.Step (Mono.Data.Sqlite.SqliteStatement stmt) [0x0003d] in :0
at Mono.Data.Sqlite.SqliteDataReader.NextResult () [0x00104] in :0
at Mono.Data.Sqlite.SqliteDataReader…ctor (Mono.Data.Sqlite.SqliteCommand cmd, System.Data.CommandBehavior behave) [0x0004e] in :0
at (wrapper remoting-invoke-with-check) Mono.Data.Sqlite.SqliteDataReader…ctor(Mono.Data.Sqlite.SqliteCommand,System.Data.CommandBehavior)
at Mono.Data.Sqlite.SqliteCommand.ExecuteReader (System.Data.CommandBehavior behavior) [0x00006] in :0
at Mono.Data.Sqlite.SqliteCommand.ExecuteNonQuery () [0x00000] in :0
at Mono.Data.Sqlite.SqliteTransaction.Commit () [0x0002e] in :0
at Duplicati.Library.Main.Operation.Common.DatabaseCommon.Dispose (System.Boolean isDisposing) [0x0000f] in <04aa602f833345c185c07f867e855751>:0
at Duplicati.Library.Main.Operation.Common.SingleRunner.Dispose () [0x00000] in <04aa602f833345c185c07f867e855751>:0
at Duplicati.Library.Main.Operation.BackupHandler.RunAsync (System.String sources, Duplicati.Library.Utility.IFilter filter) [0x0103a] in <04aa602f833345c185c07f867e855751>:0
at CoCoL.ChannelExtensions.WaitForTaskOrThrow (System.Threading.Tasks.Task task) [0x00050] in <6973ce2780de4b28aaa2c5ffc59993b1>:0
at Duplicati.Library.Main.Operation.BackupHandler.Run (System.String sources, Duplicati.Library.Utility.IFilter filter) [0x00008] in <04aa602f833345c185c07f867e855751>:0
at Duplicati.Library.Main.Controller+<>c__DisplayClass13_0.b__0 (Duplicati.Library.Main.BackupResults result) [0x00035] in <04aa602f833345c185c07f867e855751>:0
at Duplicati.Library.Main.Controller.RunAction[T] (T result, System.String& paths, Duplicati.Library.Utility.IFilter& filter, System.Action`1[T] method) [0x0011d] in <04aa602f833345c185c07f867e855751>:0

Log data:
2019-05-13 14:38:31 -04 - [Error-Duplicati.Library.Main.Operation.BackupHandler-FatalError]: Fatal error
Mono.Data.Sqlite.SqliteException (0x80004005): SQLite error
cannot commit - no transaction is active
at Mono.Data.Sqlite.SQLite3.Reset (Mono.Data.Sqlite.SqliteStatement stmt) [0x00084] in :0
at Mono.Data.Sqlite.SQLite3.Step (Mono.Data.Sqlite.SqliteStatement stmt) [0x0003d] in :0
at Mono.Data.Sqlite.SqliteDataReader.NextResult () [0x00104] in :0
at Mono.Data.Sqlite.SqliteDataReader…ctor (Mono.Data.Sqlite.SqliteCommand cmd, System.Data.CommandBehavior behave) [0x0004e] in :0
at (wrapper remoting-invoke-with-check) Mono.Data.Sqlite.SqliteDataReader…ctor(Mono.Data.Sqlite.SqliteCommand,System.Data.CommandBehavior)
at Mono.Data.Sqlite.SqliteCommand.ExecuteReader (System.Data.CommandBehavior behavior) [0x00006] in :0
at Mono.Data.Sqlite.SqliteCommand.ExecuteNonQuery () [0x00000] in :0
at Mono.Data.Sqlite.SqliteTransaction.Commit () [0x0002e] in :0
at Duplicati.Library.Main.Operation.Common.DatabaseCommon.Dispose (System.Boolean isDisposing) [0x0000f] in <04aa602f833345c185c07f867e855751>:0
at Duplicati.Library.Main.Operation.Common.SingleRunner.Dispose () [0x00000] in <04aa602f833345c185c07f867e855751>:0
at Duplicati.Library.Main.Operation.BackupHandler.RunAsync (System.String sources, Duplicati.Library.Utility.IFilter filter) [0x00fe9] in <04aa602f833345c185c07f867e855751>:0