phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '27d87d71cc6e85c58db7c3ba5930551d' 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 ('27d87d71cc6e85c58db7c3ba5930551d', -1, 1766170932, 1766170932, 'd849d819', 2, 0, 0)

Line : 187
File : sessions.php