phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '3a06437f2e76b73785909461a414e6ff' 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 ('3a06437f2e76b73785909461a414e6ff', -1, 1767036901, 1767036901, 'd849d82e', -4, 0, 0)

Line : 187
File : sessions.php