phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '15a3e6c5f9ea6c6163aeefc64f36b5e3' 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 ('15a3e6c5f9ea6c6163aeefc64f36b5e3', -1, 1713921272, 1713921272, '12bdaa11', -4, 0, 0)

Line : 187
File : sessions.php