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Error : RuntimeException: Query Failed! SQL: SELECT * FROM `extgallery_publiccat` WHERE (`cat_pid` = '0') ORDER BY nleft ASC - Error: Unknown column 'cat_pid' in 'where clause'

Backtrace:
/class/model/read.php (110)
/kernel/object.php (1496)
/modules/extgallery/class/CategoryHandler.php (157)
/modules/extgallery/class/CategoryHandler.php (262)
/modules/extgallery/index.php (34)