phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'b2bb9878a37f24ddd75a89660bc9ccb1' 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 ('b2bb9878a37f24ddd75a89660bc9ccb1', -1, 1769566891, 1769566891, 'd849d86e', 3, 0, 0)

Line : 187
File : sessions.php