phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '5c734b3219a905ad38c9d11a4726f46d' 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 ('5c734b3219a905ad38c9d11a4726f46d', -1, 1762498013, 1762498013, '12610e59', -4, 0, 0)

Line : 187
File : sessions.php