phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'b5938ed77a2ed21ca264c1b7aaf7b974' 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 ('b5938ed77a2ed21ca264c1b7aaf7b974', -1, 1714128000, 1714128000, '12dca0d8', -4, 0, 0)

Line : 187
File : sessions.php