phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'f3197f5d3d46a5c2686599407e499536' 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 ('f3197f5d3d46a5c2686599407e499536', -1, 1766187064, 1766187064, 'd849d8d7', -4, 0, 0)

Line : 187
File : sessions.php