phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '5acaa0f9a4ee49933c57983ac5ac738b' 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 ('5acaa0f9a4ee49933c57983ac5ac738b', -1, 1713533558, 1713533558, '12bc98a2', 11, 0, 0)

Line : 187
File : sessions.php