Beta Art - napotkano błąd

Warning: Trying to access array offset on false in /system/models/CmsOffer.php on line 108

Warning: Undefined array key "category_id" in /system/packages/Cms/OfferController.php on line 36
Beta Art - napotkano błąd

PDO ERROR

SELECT * FROM offer_item WHERE category_id = and status = 1 ORDER BY pos, offer_name

ERROR:

TRACE:
#0 /libs/Cube/PDO/Simple.php(86): PDO->query()
#1 /system/models/CmsOffer.php(81): Cube_PDO_Simple->fetchAll()
#2 /system/packages/Cms/OfferController.php(38): CmsOffer->getOffers()
#3 /libs/Cube/Controller/Abstract.php(85): Cms_OfferController->viewAction()
#4 /libs/Cube/Controller/Front.php(128): Cube_Controller_Abstract->run()
#5 /index.php(199): Cube_Controller_Front->dispatch()
#6 {main}

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