phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '5a178690b845bb33e8ce7dad70db9214' 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 ('5a178690b845bb33e8ce7dad70db9214', -1, 1766308905, 1766308905, 'd849d819', -9, 0, 0)

Line : 187
File : sessions.php