phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '8bb486dc9190c735df0613abb9271d36' for key 'phpbb_sessions.PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('8bb486dc9190c735df0613abb9271d36', -1, 1765877709, 1765877709, 'd849d888', 16, 0, 0)

Line : 187
File : sessions.php