phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '2f9f9112adcfa81d7a15c67e39b50e12' 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 ('2f9f9112adcfa81d7a15c67e39b50e12', -1, 1765573494, 1765573494, 'd849d834', -4, 0, 0)

Line : 187
File : sessions.php