object TABLE "xxx" is in use

[fishcodelib]

Firebird: 4.0.0.2496-1-x64
FirebirdSql.Data.FirebirdClient: 8.5.3.0
OS: Windows 10
var ConnectionString = @"DataSource=localhost;ServerType=Embedded;Database=""test.fdb"";User ID=SYSDBA;Password=masterkey;Pooling=False;client library=C:\Firebird-4.0.0.2496-1-x64\fbclient.dll";
FbConnection.CreateDatabase(ConnectionString,4096,true,true);
using (var conn = new FbConnection(ConnectionString))
{
conn.Open();
Console.WriteLine(conn.ServerVersion);
using (var cmd = conn.CreateCommand())
{
cmd.CommandText = @"CREATE TABLE ""test"" (""ctimestamptz"" timestamp with time zone, ""ctimetz"" time with time zone)";
cmd.ExecuteNonQuery();
cmd.CommandText = @"select * from ""test""";
using (var reader = cmd.ExecuteReader())
{ //Known issues: #905
//while (reader.Read()) //Exception thrown: 'Unknown time zone ID.'
//{
// Console.WriteLine(reader[0]);
//}
}
}
using (var cmd = conn.CreateCommand())
{
cmd.CommandText = @"DROP TABLE ""test""";
cmd.ExecuteNonQuery(); //Exception thrown: unsuccessful metadata update object TABLE "test" is in use'
}
}

[cincuranet]

Unknown timezone error because of #998.