phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'f15db86bd931344c21637f3409678af2' 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 ('f15db86bd931344c21637f3409678af2', -1, 1715102336, 1715102336, 'c0a80201', 31, 0, 0)

Line : 187
File : sessions.php