phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '2c9872e5f5b3ad6faf97f0fe782b27f6' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('2c9872e5f5b3ad6faf97f0fe782b27f6', -1, 1789707829, 1789707829, 'c0a81013', -501, 0, 0)

Line : 187
File : sessions.php