I can not add a new role for the administrator When trying to enter to: system - law - role appears:
( ! ) Fatal error: Class 'Mage_Less_Helper_Data' not found in /home/xcskrmsk/public_html/app/Mage.php on line 547
Call Stack
# Time Memory Function Location
1 0.0001 243920 {main}( ) .../index.php:0
2 0.0007 277632 Mage::run( ) .../index.php:88
3 0.0025 469968 Mage_Core_Model_App->run( ) .../Mage.php:684
4 0.0384 2163432 Mage_Core_Controller_Varien_Front->dispatch( ) .../App.php:354
5 0.0424 2251184 Mage_Core_Controller_Varien_Router_Standard->match( ) .../Front.php:172
6 0.0483 2390720 Mage_Core_Controller_Varien_Action->dispatch( ) .../Standard.php:250
7 0.1348 7828624 Mage_Adminhtml_Permissions_RoleController->editRoleAction( ) .../Action.php:418
8 0.1361 7859648 Mage_Adminhtml_Permissions_RoleController->_initAction( ) .../RoleController.php:105
9 0.1361 7859696 Mage_Adminhtml_Controller_Action->loadLayout( ) .../RoleController.php:44
10 0.1361 7859984 Mage_Core_Controller_Varien_Action->loadLayout( ) .../Action.php:275
11 0.1391 7883144 Mage_Core_Controller_Varien_Action->generateLayoutBlocks( ) .../Action.php:269
12 0.1392 7883680 Mage_Core_Model_Layout->generateBlocks( ) .../Action.php:344
13 0.1681 9803688 Mage_Core_Model_Layout->generateBlocks( ) .../Layout.php:210
14 0.1681 9804472 Mage_Core_Model_Layout->_generateBlock( ) .../Layout.php:205
15 0.1681 9804768 Mage_Core_Model_Layout->addBlock( ) .../Layout.php:239
16 0.1681 9804768 Mage_Core_Model_Layout->createBlock( ) .../Layout.php:472
17 0.1710 9954592 Mage_Core_Block_Abstract->setLayout( ) .../Layout.php:456
18 0.1712 9954824 Mage_Adminhtml_Block_Permissions_Editroles->_prepareLayout( ) .../Abstract.php:293
19 0.1804 10359560 Mage_Core_Model_Layout->createBlock( ) .../Editroles.php:42
20 0.1804 10359696 Mage_Core_Model_Layout->_getBlockInstance( ) .../Layout.php:437
21 0.1818 10432176 Mage_Adminhtml_Block_Permissions_Tab_Rolesedit->__construct( ) .../Layout.php:491
22 0.1821 10433792 Mage_Admin_Model_Roles->getResourcesList( ) .../Rolesedit.php:87
23 0.1821 10434056 Mage_Admin_Model_Roles->_buildResourcesArray( ) .../Roles.php:102
24 0.1840 10457592 Mage_Admin_Model_Roles->_buildResourcesArray( ) .../Roles.php:175
25 0.1841 10459160 Mage_Admin_Model_Roles->_buildResourcesArray( ) .../Roles.php:175
26 0.1843 10460624 Mage_Admin_Model_Roles->_buildResourcesArray( ) .../Roles.php:175
27 0.1844 10462120 Mage_Admin_Model_Roles->_buildResourcesArray( ) .../Roles.php:175
28 0.2166 10982832 Mage_Admin_Model_Roles->_buildResourcesArray( ) .../Roles.php:175
29 0.2167 10983000 Mage::helper( ) .../Roles.php:160 Magento (version 1.9.2.1) Theme Elara 1.0
