phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '213ceaa3c9202433dfe1c49ccc7c7766' 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 ('213ceaa3c9202433dfe1c49ccc7c7766', -1, 1769553259, 1769553259, 'd849d8af', 4, 0, 0)

Line : 187
File : sessions.php