phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '987a5d6d914305297b12a7766d9c608d' 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 ('987a5d6d914305297b12a7766d9c608d', -1, 1714234879, 1714234879, '0391978d', -8, 0, 0)

Line : 187
File : sessions.php