phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'c1f4b1b2c00840fe0b11baef71f6dc56' 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 ('c1f4b1b2c00840fe0b11baef71f6dc56', -1, 1713559100, 1713559100, '12bf05ef', 2, 0, 0)

Line : 187
File : sessions.php