phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '78a3440b64b4389b984d6b0e64b6041a' 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 ('78a3440b64b4389b984d6b0e64b6041a', -1, 1715817991, 1715817991, '038cc60c', -11, 0, 0)

Line : 187
File : sessions.php