Class not registered

Anonymous — Mon, 26 Jan 2026 18:19:17 GMT

We are using QV11. We have checked one application running successfully in QV10 but not in QV11.

In the editor it is mentioned the below code-

The below code suggest using dynamic connection string we are connecting different DB.

Variable-

SET vOracleUser = 'Test';
SET vOraclePWord = 'abcd';
SET vDataSource ='Hare';

OLEDB CONNECT TO [Provider=OraOLEDB.Oracle.1;Persist Security Info=False;User ID=$(vOracleUser);Data Source=$(vDataSource);Extended Properties=""] (XPassword is $(vOraclePWord));

we are getting the below error
OLEDB CONNECT TO [Provider=OraOLEDB.Oracle.1;Persist Security Info=False;User ID=Test;Data Source=Hare;Extended Properties=""] (XPassword is abcd)

ErrorSource: (null), ErrorMsg: Class not registered

Please suggest,

Re: Class not registered

Gysbert_Wassenaar — Sun, 22 Feb 2015 13:13:04 GMT

ErrorMsg: Class not registered

That usually means that the oracle oledb driver is not installed or not installed correctly. Check if you need the 32-bit or 64-bit OLEDB driver and that the version you need is installed and working.

topic Re: Class not registered in QlikView

Class not registered

Re: Class not registered