phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '1f2c120e40b06520db644bb40d841cda' 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 ('1f2c120e40b06520db644bb40d841cda', -1, 1791832017, 1791832017, 'd849d8ee', 11, 0, 0)

Line : 187
File : sessions.php