phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '11b959d9a72dbc8f704d40c2f12da6d9' 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 ('11b959d9a72dbc8f704d40c2f12da6d9', -1, 1714404839, 1714404839, '12dd35d1', -4, 0, 0)

Line : 187
File : sessions.php