phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '80e51aa31e4a7b2152d6767e99c6cfd2' 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 ('80e51aa31e4a7b2152d6767e99c6cfd2', -1, 1765608126, 1765608126, 'd849d836', -4, 0, 0)

Line : 187
File : sessions.php