Class "sitemap" not found

#0 /var/www/temp_eksma/public_html/core/oxutilsobject.php(125): oxUtilsObject->_getObject('oxsystemcompone...', 0, Array)
#1 [internal function]: oxUtilsObject->oxNew('oxSystemCompone...')
#2 /var/www/temp_eksma/public_html/core/oxfunctions.php(314): call_user_func_array(Array, Array)
#3 /var/www/temp_eksma/public_html/core/oxutilsobject.php(115): oxNew('oxSystemCompone...')
#4 [internal function]: oxUtilsObject->oxNew('sitemap')
#5 /var/www/temp_eksma/public_html/core/oxfunctions.php(314): call_user_func_array(Array, Array)
#6 /var/www/temp_eksma/public_html/views/oxshopcontrol.php(357): oxNew('sitemap')
#7 /var/www/temp_eksma/public_html/views/oxshopcontrol.php(309): oxShopControl->_initializeViewObject('sitemap', NULL)
#8 /var/www/temp_eksma/public_html/views/oxshopcontrol.php(114): oxShopControl->_process('sitemap', NULL)
#9 /var/www/temp_eksma/public_html/modules/NfqBanklink/SkrilloxShopControl.php(64): oxShopControl->start()
#10 /var/www/temp_eksma/public_html/modules/gdpr/views/gdpr_oxshopcontrol.php(17): SkrilloxShopControl->start()
#11 /var/www/temp_eksma/public_html/index.php(107): gdpr_oxshopcontrol->start()
#12 {main};

cl=exceptionError fnc=displayExceptionError(show/hide)
Memory usage: 6.475 MB (peak: 6.945 MB)
System memory usage: 7 MB (peak: 7 MB)
Execution time :0.0409
----------------------------------------------------------
Profile process: 0.0408s99.85% 2*0.0204s
Profile buildTree: 0.00917s22.44% 1*0.00917s
Profile oxNew: 0.00684s16.75% 56*0.00012s
Profile oxAutoload: 0.00066s1.61% 57*1.0E-5s
Profile executeMaintenanceTasks: 0.00028s0.69% 2*0.00014s
Profile _getLangTranslationArray: 0.00024s0.59% 3*8.0E-5s
Profile seoencoder_loadFromCache: 8.0E-5s0.2% 1*8.0E-5s
Profile fround: 7.0E-5s0.17% 15*0s
Profile isSearchEngine: 2.0E-5s0.04% 1*2.0E-5s
Profile smarty_function_oxmultilang: 2.0E-5s0.04% 1*2.0E-5s
Profile oxviewconfig::setViewConfigParam: 0s0% 1*0s