Why query Sqlite database in read-only mode or a lock library how to solve?

The first big.

 
Var ReadConnectionString=@ Data Source="D: \ Tmp \ Test001 sqlite; Version=3; Read Only=True "; 

 

SQLite error (5) : the database is locked in the "SELECT * FROM" TestLong "WHERE Id=8888 
"SQLite error (5) : the database is locked in the "SELECT * FROM" TestLong "WHERE Id=8888 
"SQLite error (5) : the database is locked in the "SELECT * FROM" TestLong "WHERE Id=8888 
"SQLite error (5) : the database is locked in the "SELECT * FROM" TestLong "WHERE Id=8888 
"SQLite error (5) : the database is locked in the "SELECT * FROM" TestLong "WHERE Id=8888 
"SQLite error (5) : the database is locked in the "SELECT * FROM" TestLong "WHERE Id=8888 
"SQLite error (5) : the database is locked in the "SELECT * FROM" TestLong "WHERE Id=8888 
"SQLite error (5) : the database is locked in the "SELECT * FROM" TestLong "WHERE Id=8888 
"