Urgent, can't order products!

Hello Nicolas,

I upgraded to 1.5.1 version and now i cannot order any new product, i can't go further adding address..what could be the problem?

Nicolas, i can provide you some login information, i would prefer to not display the address to my website here, it's restricted to visitors. See attached image for checkout screenshot:

DatabaseMySQL::query: 1065 - Query was empty SQL=

Call stack
# Function Location
1 JSite->render() /var/www/dealer/index.php:81
2 JDocumentHTML->render() /var/www/dealer/includes/application.php:171
3 JDocumentHTML->_parseTemplate() /var/www/dealer/libraries/joomla/document/html/html.php:249
4 JDocumentHTML->getBuffer() /var/www/dealer/libraries/joomla/document/html/html.php:386
5 JDocumentRendererModules->render() /var/www/dealer/libraries/joomla/document/html/html.php:190
6 JDocumentRendererModule->render() /var/www/dealer/libraries/joomla/document/html/renderer/modules.php:41
7 JModuleHelper->renderModule() /var/www/dealer/libraries/joomla/document/html/renderer/module.php:89
8 require() /var/www/dealer/libraries/joomla/application/module/helper.php:173
9 JoomlaWatchVisit->insertVisit() /var/www/dealer/modules/mod_joomlawatch_agent/mod_joomlawatch_agent.php:65
10 JDatabaseMySQL->query() /var/www/dealer/components/com_joomlawatch/class.joomlawatch.visit.php:224
11 JError->raiseError() /var/www/dealer/libraries/joomla/database/database/mysql.php:231
12 JError->raise() /var/www/dealer/libraries/joomla/error/error.php:171
13 JException->__construct() /var/www/dealer/libraries/joomla/error/error.php:136


I will send you login information using contact form

No, it isn't; i disable it and still have this problem . Also, the only changed i made in site was this update..

Nicolas, please try to make a new order, i will not ask you for payment

ok, now it's ok

to order a new product go to www.mywebsite.ro/comenzi

Thank you, it's ok now