phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'c3975b98f3738c5fc38ac437f6b84df7' 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 ('c3975b98f3738c5fc38ac437f6b84df7', -1, 1752272863, 1752272863, 'd849d8b1', 2, 0, 0)

Line : 187
File : sessions.php