phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '8cffc3ad74a519a9748f04ce4efe0b0b' 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 ('8cffc3ad74a519a9748f04ce4efe0b0b', -1, 1714348848, 1714348848, '03933606', 4, 0, 0)

Line : 187
File : sessions.php