Upgrade OpenAudit Community version Windows From 1.3.1 to 1.8.2

Hello, After upgrade the version from 1.3.1 to 1.8.2 , i have this error whe click upgrade Error Number: 1062 Duplicate entry 'oae_prompt' for key 'PRIMARY' INSERT INTO oa_config (config_name, config_value, config_editable, config_description) VALUES ('oae_prompt', '2015-06-01', 'n', 'Prompt to activate a license for Open-AudIT Enterprise.') Filename: C:\xampplite\open-audit\code_igniter\system\database\DB_driver.php Line Number: 330 Thanks for the support