phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'b9c73ae1a82391143627ca0ae57eeb60' 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 ('b9c73ae1a82391143627ca0ae57eeb60', -1, 1752771564, 1752771564, 'd849d85f', -9, 0, 0)

Line : 187
File : sessions.php