Hello, i uploaded and set up the theme, but looks i did something really bad , can you help ?

i received next in front office

Notice: Undefined index: es-es in //catalog/controller/startup/startup.php on line 106
Fatal error: ‘Headers already sent in //catalog/controller/startup/startup.php on line 106. Cannot send log data to FirePHP. You must have Output Buffering enabled via ob_start() or output_buffering ini directive.’
in //system/vendor/BurnEngine/library/vendor/FirePHP.php:1175
Stack trace:
#0 system/vendor/BurnEngine/library/vendor/FirePHP.php(754): FirePHP->newException(‘Headers already…’)
#1 system/vendor/BurnEngine/library/vendor/FirePHP.php(1798): FirePHP->fb(Array)
#2 system/vendor/BurnEngine/library/Engine.php(1110): fb(Array)
#3 system/vendor/BurnEngine/catalog/ThemeCatalogExtension.php(475): TB_Engine->fbLog(Array)
#4 system/vendor/BurnEngine/catalog/ThemeCatalogExtension.php(118): Theme_Catalog_Extension->determineAreasForRequest()
#5 system/vendor/BurnEngine/library/vendor/sfEventDispatcher.php(76): Theme_Catalog_Extension->afterRouting(Object(sfEvent))
#6 system/vendor/BurnEngine/library/CatalogDispatcher.php(116): sfEventDispatcher->notify(Object(sfEvent))
#7 system/vendor/BurnEngine/library/CatalogDispatcher.php(43): TB_CatalogDispatcher->doRouting(Object(sfEventDispatcher), Object(Request), Object(TB_ViewDataBag))
#8 system/vendor/BurnEngine/catalog/boot.php(58): TB_CatalogDispatcher->dispatch()
#9 catalog/controller/common/BurnEngine.php(64): TB_Boot::dispatchRequest(Object(TB_Engine))
#10 catalog/controller/common/BurnEngine.php(12): ControllerCommonBurnEngine->index()
#11 [internal function]: ControllerCommonBurnEngine->onGetEventsAfter(‘extension/event…’, Array, Array)
#12 system/storage/modification/system/engine/action.php(51): call_user_func_array(Array, Array)
#13 system/storage/modification/system/engine/event.php(26): Action->execute(Object(Registry), Array)
#14 system/storage/modification/system/engine/loader.php(184): Event->trigger(‘model/extension…’, Array)
#15 [internal function]: Loader->{closure}(Array, Array)
#16 system/engine/proxy.php(25): call_user_func_array(Object(Closure), Array)
#17 catalog/controller/startup/event.php(7): Proxy->__call(‘getEvents’, Array)
#18 catalog/controller/startup/event.php(7): Proxy->getEvents()
#19 [internal function]: ControllerStartupEvent->index()
#20 system/storage/modification/system/engine/action.php(51): call_user_func_array(Array, Array)
#21 system/engine/front.php(34): Action->execute(Object(Registry))
#22 system/engine/front.php(19): Front->execute(Object(Action))
#23 system/framework.php(103): Front->dispatch(Object(Action), Object(Action))
#24 system/startup.php(124): require_once(‘/home/tfanixo/t…’)
#25 index.php(19): start(‘catalog’)
#26 {main}