application.log

[2017-07-20 13:06:51] Error on process request. Details:
Code - 1
Message - Uncaught Error: Call to a member function FetchRow() on boolean in /var/www/localhost/vtigercrm/include/database/PearDatabase.php:781
Stack trace:
#0 /var/www/localhost/vtigercrm/include/database/PearDatabase.php(790): PearDatabase->getNextRow(false)
#1 /var/www/localhost/vtigercrm/modules/Vtiger/models/Field.php(1344): PearDatabase->fetch_row(false)
#2 /var/www/localhost/vtigercrm/modules/Vtiger/models/Field.php(547): Vtiger_Field_Model->getPicklistColors()
#3 /var/www/localhost/vtigercrm/modules/Vtiger/views/Index.php(68): Vtiger_Field_Model->getFieldInfo()
#4 /var/www/localhost/vtigercrm/modules/Vtiger/views/Index.php(45): Vtiger_Index_View->setModuleInfo(Object(Vtiger_Request), Object(Calendar_Module_Model))
#5 /var/www/localhost/vtigercrm/modules/Calendar/views/Calendar.php(22): Vtiger_Index_View->preProcess(Object(Vtiger_Request), false)
#6 /var/www/localhost/vtigercrm/includes/main/WebUI.php(76): Calendar_Calendar_View->preProcess(Object(Vtiger_Request))
#7 /var/www/localhost/vtigercrm/includes/main/We
File - /var/www/localhost/vtigercrm/include/database/PearDatabase.php
Line - 781

[2017-07-20 13:07:57] Error on process request. Details:
Code - 1
Message - Uncaught Error: Call to a member function FetchRow() on boolean in /var/www/localhost/vtigercrm/include/database/PearDatabase.php:781
Stack trace:
#0 /var/www/localhost/vtigercrm/include/database/PearDatabase.php(790): PearDatabase->getNextRow(false)
#1 /var/www/localhost/vtigercrm/modules/Vtiger/models/Field.php(1344): PearDatabase->fetch_row(false)
#2 /var/www/localhost/vtigercrm/modules/Vtiger/models/Field.php(547): Vtiger_Field_Model->getPicklistColors()
#3 /var/www/localhost/vtigercrm/test/templates_c/v7/c1da3bd1fcb6f4365a76f04ee4da6b0ad0738e55.file.TaskManagement.tpl.php(50): Vtiger_Field_Model->getFieldInfo()
#4 /var/www/localhost/vtigercrm/libraries/Smarty/libs/sysplugins/smarty_internal_templatebase.php(180): content_597080fd317ef(Object(Smarty_Internal_Template))
#5 /var/www/localhost/vtigercrm/libraries/Smarty/libs/sysplugins/smarty_internal_templatebase.php(374): Smarty_Internal_TemplateBase->fetch('modules/Calenda...', NULL, NULL, Object(Vtiger_Viewer), true)
#6 /var/www/localhost/vtigercrm/inclu
File - /var/www/localhost/vtigercrm/include/database/PearDatabase.php
Line - 781