Dead lock in SQLLite

I am using WPF and SQLLite. I have a sqllite file in Network, when two user try to save Data at same time the SQLLite throw Dead lock Exception. How can i solve this problem. Here is this error

System.Data.Entity.Infrastructure.CommitFailedException: An error was reported while committing a database transaction but it could not be determined whether the transaction succeeded or failed on the database server. See the inner exception and http://ift.tt/SU5EUC for more information. ---> System.Data.SQLite.SQLiteException: database is locked
database is locked
   at System.Data.SQLite.SQLite3.Step(SQLiteStatement stmt)
   at System.Data.SQLite.SQLiteDataReader.NextResult()
   at System.Data.SQLite.SQLiteDataReader..ctor(SQLiteCommand cmd, CommandBehavior behave)
   at System.Data.SQLite.SQLiteCommand.ExecuteReader(CommandBehavior behavior)
   at System.Data.SQLite.SQLiteCommand.ExecuteNonQuery(CommandBehavior behavior)
   at System.Data.SQLite.SQLiteTr`enter code here`ansaction.Commit()
   at System.Data.Entity.Infrastructure.Interception.InternalDispatcher`1.Dispatch[TTarget,TInterceptionContext](TTarget target, Action`2 operation, TInterceptionContext interceptionContext, Action`3 executing, Action`3 executed)