I try to install CB 1.1.0 on a Joomla 1.5.6 and get the error below, what can I do?

500 - An error has occurred.

JDatabaseMySQL::query: 1054 - Unknown column 'fields' in 'field list' SQL=SELECT `fields` FROM jos_comprofiler_tabs

Call stack
# Function Location
1 JAdministrator->dispatch() C:\wamp\www\drvet\administrator\index.php:67
2 JComponentHelper->renderComponent() C:\wamp\www\drvet\administrator\includes\application.php:130
3 require_once() C:\wamp\www\drvet\libraries\joomla\application\component\helper.php:162
4 JController->execute() C:\wamp\www\drvet\administrator\components\com_installer\admin.installer.php:44
5 InstallerController->doInstall() C:\wamp\www\drvet\libraries\joomla\application\component\controller.php:236
6 InstallerModelInstall->install() C:\wamp\www\drvet\administrator\components\com_installer\controller.php:71
7 JInstaller->install() C:\wamp\www\drvet\administrator\components\com_installer\models\install.php:86
8 JInstallerComponent->install() C:\wamp\www\drvet\libraries\joomla\installer\installer.php:333
9 com_install() C:\wamp\www\drvet\libraries\joomla\installer\adapters\component.php:270
10 JDatabaseMySQL->query() C:\wamp\www\drvet\administrator\components\com_comprofiler\install.comprofiler.php:214
11 JError->raiseError() C:\wamp\www\drvet\libraries\joomla\database\database\mysql.php:229
12 JError->raise() C:\wamp\www\drvet\libraries\joomla\error\error.php:173
13 JException->__construct() C:\wamp\www\drvet\libraries\joomla\error\error.php:138