phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '7e453c6e91ec905a1e12c5cf4b2b238b' 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 ('7e453c6e91ec905a1e12c5cf4b2b238b', -1, 1771231088, 1771231088, 'd849d800', 2, 0, 0)

Line : 187
File : sessions.php