phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '5642aab0587c64d35aba307c2b7ba18d' 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 ('5642aab0587c64d35aba307c2b7ba18d', -1, 1770426634, 1770426634, 'd849d833', -9, 0, 0)

Line : 215
File : sessions.php