phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'c7dcb3cc83d14bf2d951ccef3c1e3793' for key 'phpbb_sessions.PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('c7dcb3cc83d14bf2d951ccef3c1e3793', -1, 1762038433, 1762038433, 'd849d887', -9, 0, 0)

Line : 187
File : sessions.php