ORA-00604: error occurred at recursive SQL level 1

Im developing a C# windows forms application  with an Oracle 9i database.

I get the following error when i try to connect to an oracle database from Visual Studio.NET.. However when i run the code from another PC it works fine... what could be the problem? Please Help!!!!

Event Type:      Warning
Event Source:      DocumentExtractionTool
Event Category:      None
Event ID:      0
Date:            04/03/2008
Time:            13:57:18
User:            N/A
Computer:      KEAUK08343
Description:
Application: DocumentExtractionTool (DocumentExtractionTool)  - Version: 1.0.0.0
Error Details as follows: ORA-00604: error occurred at recursive SQL level 1
ORA-06502: PL/SQL: numeric or value error: character string buffer too small
ORA-06512: at line 28


System.Data.OracleClient.OracleException: ORA-00604: error occurred at recursive SQL level 1
ORA-06502: PL/SQL: numeric or value error: character string buffer too small
ORA-06512: at line 28

   at System.Data.OracleClient.OracleException.Check(OciErrorHandle errorHandle, Int32 rc)
   at System.Data.OracleClient.OracleInternalConnection.OpenOnLocalTransaction(String userName, String password, String serverName, Boolean integratedSecurity, Boolean unicode, Boolean omitOracleConnectionName)
   at System.Data.OracleClient.OracleInternalConnection..ctor(OracleConnectionString connectionOptions)
   at System.Data.OracleClient.OracleConnectionFactory.CreateConnection(DbConnectionOptions options, Object poolGroupProviderInfo, DbConnectionPool pool, DbConnection owningObject)
   at System.Data.ProviderBase.DbConnectionFactory.CreatePooledConnection(DbConnection owningConnection, DbConnectionPool pool, DbConnectionOptions options)
   at System.Data.ProviderBase.DbConnectionPool.CreateObject(DbConnection owningObject)
   at System.Data.ProviderBase.DbConnectionPool.UserCreateRequest(DbConnection owningObject)
   at System.Data.ProviderBase.DbConnectionPool.GetConnection(DbConnection owningObject)
   at System.Data.ProviderBase.DbConnectionFactory.GetConnection(DbConnection owningConnection)
   at System.Data.ProviderBase.DbConnectionClosed.OpenConnection(DbConnection outerConnection, DbConnectionFactory connectionFactory)
   at System.Data.OracleClient.OracleConnection.Open()
   at DET.TestForm.button1_Click(Object sender, EventArgs e)

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The code I usre to connect to the oracle database server is as follows
 
                connectionString = "Data Source=i021.World;Persist Security Info=True;User ID=Ops$Access;password=******;Unicode=True"
                OracleConnection conn = new OracleConnection(connectionString);
                OracleCommand cmd = new OracleCommand();
                cmd.Connection = conn;
                cmd.CommandText = "package.Get_StoredProc_DATA";
                cmd.CommandType = CommandType.StoredProcedure;
                cmd.Parameters.Add("p_Cur", OracleType.Cursor).Direction = System.Data.ParameterDirection.Output;
                conn.Open();