phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '88a221b7809811b0feac35e61a83b15b' 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 ('88a221b7809811b0feac35e61a83b15b', -1, 1711616678, 1711616678, '36a08521', -4, 0, 0)

Line : 187
File : sessions.php