phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '2c15e1c05301a001f72fe233419e1e2d' for key 1

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('2c15e1c05301a001f72fe233419e1e2d', -1, 1715781233, 1715781233, '12bc9987', 0, 0, 0)

Line : 187
File : sessions.php