phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'a6706bdc4d63937840e8c5e7c0953ca1' 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 ('a6706bdc4d63937840e8c5e7c0953ca1', -1, 1714250948, 1714250948, '12d9d048', 11, 0, 0)

Line : 187
File : sessions.php