phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '7b490cb001e3c17b2e95779ba9e9c073' 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 ('7b490cb001e3c17b2e95779ba9e9c073', -1, 1775008169, 1775008169, 'd849d820', -4, 0, 0)

Line : 215
File : sessions.php