A Database Error Occurred

Error Number: 1146

Table 'ptodirec_main.patent' doesn't exist

SELECT patent.id as patent_id, patent.abstract, patent.description, patent.claims, patent.invention_title, patent.app_doc_number as doc_number, patent.app_doc_number as app_number, patent.app_date as application_date, patent.pub_doc_number as pub_number, patent.pub_date as publication_date FROM (`patent`) WHERE patent.id IS NULL GROUP BY patent.id