#0 /var/www/example.com/sites/all/modules/civicrm/CRM/Report/Form/Contribute/Summary.php(745): DateTime->__construct("2010401")
#1 /var/www/example.com/sites/all/modules/civicrm/CRM/Report/Form.php(2248): CRM_Report_Form_Contribute_Summary->alterDisplay((Array:50))
#2 /var/www/example.com/sites/all/modules/civicrm/CRM/Report/Form.php(3281): CRM_Report_Form->formatDisplay((Array:50))
#3 /var/www/example.com/sites/all/modules/civicrm/CRM/Report/Form/Contribute/Summary.php(604): CRM_Report_Form->postProcess()
#4 /var/www/example.com/sites/all/modules/civicrm/CRM/Report/Form.php(753): CRM_Report_Form_Contribute_Summary->postProcess()
#5 /var/www/example.com/sites/all/modules/civicrm/CRM/Core/Form.php(455): CRM_Report_Form->preProcess()
#6 /var/www/example.com/sites/all/modules/civicrm/CRM/Core/QuickForm/Action/Display.php(94): CRM_Core_Form->buildForm()
#7 /var/www/example.com/sites/all/modules/civicrm/packages/HTML/QuickForm/Controller.php(203): CRM_Core_QuickForm_Action_Display->perform(Object(CRM_Report_Form_Contribute_Summary), "display")
#8 /var/www/example.com/sites/all/modules/civicrm/packages/HTML/QuickForm/Page.php(103): HTML_QuickForm_Controller->handle(Object(CRM_Report_Form_Contribute_Summary), "display")
#9 /var/www/example.com/sites/all/modules/civicrm/CRM/Core/Controller.php(353): HTML_QuickForm_Page->handle("display")
#10 /var/www/example.com/sites/all/modules/civicrm/CRM/Utils/Wrapper.php(115): CRM_Core_Controller->run()
#11 /var/www/example.com/sites/all/modules/civicrm/CRM/Report/Page/Instance.php(101): CRM_Utils_Wrapper->run("CRM_Report_Form_Contribute_Summary", NULL, NULL)
#12 /var/www/example.com/sites/all/modules/civicrm/CRM/Core/Invoke.php(312): CRM_Report_Page_Instance->run((Array:4), NULL)
#13 /var/www/example.com/sites/all/modules/civicrm/CRM/Core/Invoke.php(86): CRM_Core_Invoke::runItem((Array:14))
#14 /var/www/example.com/sites/all/modules/civicrm/CRM/Core/Invoke.php(54): CRM_Core_Invoke::_invoke((Array:4))
#15 /var/www/example.com/sites/all/modules/civicrm/drupal/civicrm.module(489): CRM_Core_Invoke::invoke((Array:4))
#16 [internal function](): civicrm_invoke("report", "instance", "6")
#17 /var/www/example.com/includes/menu.inc(527): call_user_func_array("civicrm_invoke", (Array:3))
#18 /var/www/example.com/index.php(21): menu_execute_active_handler()
#19 {main}