Also I have checked most of the forum related issues about upgrade procedures and solutions including; Upgrade Guide for v9 to v10 or v20.6.0 it does not seem to be any related to the issue I meet now.
Also I have checked most of the forum related issues about upgrade procedures and solutions including; Upgrade Guide for v9 to v10 or v20.6.0 it does not seem to be any related to the issue I meet now.