phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '8f388db073bd4c2709ecb6ed207b0b0a' 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 ('8f388db073bd4c2709ecb6ed207b0b0a', -1, 1769588703, 1769588703, 'd849d86e', 3, 0, 0)

Line : 187
File : sessions.php