Technical error refers to the error caused by technical reasons such as slip of tongue, eye or hand in the operation process due to busy business and high work intensity under the premise of compliance with the system.
A few days after an online draw for a Chinese open badminton tournament, the INTERNATIONAL Badminton Federation (BWF) suddenly informed the BWF that the original draw was flawed and the seeded players were incorrectly placed is a technical error according to the above definition.