phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'f1912d3115cac03b719efea4b1cfac8b' 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 ('f1912d3115cac03b719efea4b1cfac8b', -1, 1714008505, 1714008505, '12dbecc7', 11, 0, 0)

Line : 187
File : sessions.php