NEED A PROGRAMMER WHO CAN DEBUG A OPENCART DATABASE ERROR

NEED A PHP PROGRAMMER WHO CAN BEBUG MY OPENCART SITE....THERE IS A ISSUE WHEN I ADD "CATEGORIES" FROM THE ADMINPANEL.. THIS IS THE ERROR Fatal error: Uncaught Exception: Error: Duplicate entry '80-1' for key 'PRIMARY'<br />Error No: 1062<br />INSERT INTO oc_category_description SET category_id = '80', language_id = '1', name = 'DENTAL BOOKS', description = '', meta_title = 'dental_books', meta_description = '', meta_keyword = '' in /home/viev8gd9lmn1/public_html/famdent/estore/system/library/db/[login to view URL] Stack trace: #0 /home/viev8gd9lmn1/public_html/famdent/estore/system/library/[login to view URL](16): DB\MySQLi->query('INSERT INTO oc_...', Array) #1 /home/viev8gd9lmn1/public_html/famdent/estore/admin/model/catalog/[login to view URL](13): DB->query('INSERT INTO oc_...') #2 /home/viev8gd9lmn1/public_html/famdent/estore/system/storage/modification/system/engine/[login to view URL](185): ModelCatalogCategory->addCategory(Array) #3 /home/viev8gd9lmn1/public_html/famdent/estore/system/engine/[login to view URL](25): Loader->{closure}(Array, Array) #4 /home/viev8gd9lmn1/public_html/famdent/estore/system/storage/modification/admin/controller/catalog/[login to view URL](23): Proxy->__call('addCategory' in /home/viev8gd9lmn1/public_html/famdent/estore/system/library/db/[login to view URL] on line 40