phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'dec0502b167fd980b5b5bf45a8531abb' for key 'PRIMARY'

INSERT INTO forum_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('dec0502b167fd980b5b5bf45a8531abb', -1, 1780709875, 1780709875, 'd849d9ad', 4, 0, 0)

Line : 186
File : sessions.php