phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '5b1fdd90265eb3ba1ee518c4551512f8' 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 ('5b1fdd90265eb3ba1ee518c4551512f8', -1, 1711692267, 1711692267, '12d11f26', 11, 0, 0)

Line : 187
File : sessions.php