Issues on 1.7.0.2

[ashwanibhasin]

When you go to Dashboard >> User Dashboard
Fatal error: Call to a member function getCollection() on a non-object in app/code/community/Analytic/Dashboard/Block/Adminhtml/Userdashboard.php on line 308

When you go to System >> Dashboards and click on Add new Dashboard

Fatal error: Call to a member function setColumn() on a non-object in app/code/core/Mage/Adminhtml/Block/Widget/Grid/Column.php on line 291

This appears in exception log

Exception log
2015-09-03T23:55:56+00:00 ERR (3): nnnLogged Exception:nnInvalid block type: Analytic_Dashboard_Block_Adminhtml_Dashboard_Edit_Grid_Widget_Renderer_Checkboxnn#0 /chroot/home//html/old_store/app/code/core/Mage/Core/Model/Layout.php(495): Mage::throwException('Invalid block t...')
#1 /chroot/home//html/old_store/app/code/core/Mage/Core/Model/Layout.php(437): Mage_Core_Model_Layout->_getBlockInstance('analytic_dashbo...', Array)
#2 /chroot/home//html/old_store/app/code/core/Mage/Adminhtml/Block/Widget/Grid/Column.php(290): Mage_Core_Model_Layout->createBlock('analytic_dashbo...')
#3 /chroot/home//html/old_store/app/code/core/Mage/Adminhtml/Block/Widget/Grid/Column.php(67): Mage_Adminhtml_Block_Widget_Grid_Column->getRenderer()
#4 /chroot/home//html/old_store/app/design/adminhtml/default/default/template/widget/grid.phtml(122): Mage_Adminhtml_Block_Widget_Grid_Column->getHtmlProperty()
#5 /chroot/home//html/old_store/app/code/core/Mage/Core/Block/Template.php(241): include('/chroot/home/ez...')
#6 /chroot/home//html/old_store/app/code/core/Mage/Core/Block/Template.php(272): Mage_Core_Block_Template->fetchView('adminhtml/defau...')
#7 /chroot/home//html/old_store/app/code/core/Mage/Core/Block/Template.php(286): Mage_Core_Block_Template->renderView()
#8 /chroot/home//html/old_store/app/code/core/Mage/Adminhtml/Block/Template.php(81): Mage_Core_Block_Template->_toHtml()
#9 /chroot/home//html/old_store/app/code/core/Mage/Core/Block/Abstract.php(863): Mage_Adminhtml_Block_Template->_toHtml()
#10 /chroot/home//html/old_store/app/code/core/Mage/Core/Block/Abstract.php(582): Mage_Core_Block_Abstract->toHtml()
#11 /chroot/home//html/old_store/app/code/core/Mage/Core/Block/Abstract.php(526): Mage_Core_Block_Abstract->_getChildHtml('roleGrid', true)
#12 /chroot/home//html/old_store/app/code/community/Analytic/Dashboard/Block/Adminhtml/Dashboard/Edit/Tab/Roles.php(27): Mage_Core_Block_Abstract->getChildHtml('roleGrid')
#13 /chroot/home//html/old_store/app/design/adminhtml/default/default/template/analytic_dashboard/dashboard_roles.phtml(4): Analytic_Dashboard_Block_Adminhtml_Dashboard_Edit_Tab_Roles->_getGridHtml()
#14 /chroot/home//html/old_store/app/code/core/Mage/Core/Block/Template.php(241): include('/chroot/home/ez...')
#15 /chroot/home//html/old_store/app/code/core/Mage/Core/Block/Template.php(272): Mage_Core_Block_Template->fetchView('adminhtml/defau...')
#16 /chroot/home//html/old_store/app/code/core/Mage/Core/Block/Template.php(286): Mage_Core_Block_Template->renderView()
#17 /chroot/home//html/old_store/app/code/core/Mage/Adminhtml/Block/Template.php(81): Mage_Core_Block_Template->_toHtml()
#18 /chroot/home//html/old_store/app/code/core/Mage/Core/Block/Abstract.php(863): Mage_Adminhtml_Block_Template->_toHtml()
#19 /chroot/home//html/old_store/app/code/community/Analytic/Dashboard/Block/Adminhtml/Dashboard/Edit/Tabs.php(25): Mage_Core_Block_Abstract->toHtml()
#20 /chroot/home//html/old_store/app/code/core/Mage/Core/Block/Abstract.php(862): Analytic_Dashboard_Block_Adminhtml_Dashboard_Edit_Tabs->_beforeToHtml()
#21 /chroot/home//html/old_store/app/code/core/Mage/Core/Block/Text/List.php(43): Mage_Core_Block_Abstract->toHtml()
#22 /chroot/home//html/old_store/app/code/core/Mage/Core/Block/Abstract.php(863): Mage_Core_Block_Text_List->_toHtml()
#23 /chroot/home//html/old_store/app/code/core/Mage/Core/Block/Abstract.php(582): Mage_Core_Block_Abstract->toHtml()
#24 /chroot/home//html/old_store/app/code/core/Mage/Core/Block/Abstract.php(526): Mage_Core_Block_Abstract->_getChildHtml('left', true)
#25 /chroot/home//html/old_store/app/design/adminhtml/default/default/template/page.phtml(58): Mage_Core_Block_Abstract->getChildHtml('left')
#26 /chroot/home//html/old_store/app/code/core/Mage/Core/Block/Template.php(241): include('/chroot/home/ez...')
#27 /chroot/home//html/old_store/app/code/core/Mage/Core/Block/Template.php(272): Mage_Core_Block_Template->fetchView('adminhtml/defau...')
#28 /chroot/home//html/old_store/app/code/core/Mage/Core/Block/Template.php(286): Mage_Core_Block_Template->renderView()
#29 /chroot/home//html/old_store/app/code/core/Mage/Adminhtml/Block/Template.php(81): Mage_Core_Block_Template->_toHtml()
#30 /chroot/home//html/old_store/app/code/core/Mage/Core/Block/Abstract.php(863): Mage_Adminhtml_Block_Template->_toHtml()
#31 /chroot/home//html/old_store/app/code/core/Mage/Core/Model/Layout.php(555): Mage_Core_Block_Abstract->toHtml()
#32 /chroot/home//html/old_store/app/code/core/Mage/Core/Controller/Varien/Action.php(390): Mage_Core_Model_Layout->getOutput()
#33 /chroot/home//html/old_store/app/code/community/Analytic/Dashboard/controllers/Adminhtml/DashboardsController.php(79): Mage_Core_Controller_Varien_Action->renderLayout()
#34 /chroot/home//html/old_store/app/code/core/Mage/Core/Controller/Varien/Action.php(419): Analytic_Dashboard_Adminhtml_DashboardsController->editAction()
#35 /chroot/home//html/old_store/app/code/core/Mage/Core/Controller/Varien/Router/Standard.php(254): Mage_Core_Controller_Varien_Action->dispatch('edit')
#36 /chroot/home//html/old_store/app/code/core/Mage/Core/Controller/Varien/Front.php(176): Mage_Core_Controller_Varien_Router_Standard->match(Object(Mage_Core_Controller_Request_Http))
#37 /chroot/home//html/old_store/app/code/core/Mage/Core/Model/App.php(354): Mage_Core_Controller_Varien_Front->dispatch()
#38 /chroot/home//html/old_store/app/Mage.php(683): Mage_Core_Model_App->run(Array)
#39 /chroot/home//html/old_store/index.php(98): Mage::run('', 'store')