Code:
An exception occurred: Argument 1 passed to XenForo_Template_Helper_Core::helperUserNameHtml() must be of the type array, null given, called in /vhosts/gamesboard.pl/web/library/XenForo/Template/Helper/Core.php on line 853 in /vhosts/gamesboard.pl/web/library/XenForo/Template/Helper/Core.php on line 1671
[LIST=1]
[*]XenForo_Template_Helper_Core::helperUserNameHtml() in XenForo/Template/Helper/Core.php at line 853
[*]XenForo_Template_Helper_Core::callHelper() in XenForo/Template/Abstract.php(265) : eval()'d code at line 76
[*]eval() in XenForo/Template/Abstract.php at line 265
[*]XenForo_Template_Abstract->_renderInternal() in XenForo/Template/Abstract.php at line 191
[*]XenForo_Template_Abstract->render() in XenForo/Template/Public.php at line 110
[*]XenForo_Template_Public->render() in XenForo/ViewRenderer/HtmlPublic.php at line 124
[*]XenForo_ViewRenderer_HtmlPublic->renderContainer() in XenForo/FrontController.php at line 639
[*]XenForo_FrontController->renderView() in XenForo/FrontController.php at line 158
[*]XenForo_FrontController->run() in /vhosts/gamesboard.pl/web/index.php at line 13
[/LIST]
It shows when I click on participants tab. This occurs only on old tournaments. New one is working ok.