phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'c1a0d4a5b84756c5802beb53d151129c' 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 ('c1a0d4a5b84756c5802beb53d151129c', -1, 1752827888, 1752827888, 'd849d889', -4, 0, 0)

Line : 187
File : sessions.php