phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '1a6a63b4178895081ee3ad88b5cb0c9c' 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 ('1a6a63b4178895081ee3ad88b5cb0c9c', -1, 1714279913, 1714279913, '12777663', 17, 0, 0)

Line : 187
File : sessions.php