account problem

I am using Windchill PDMLink Release 12.0 and Datecode with CPS 12.0.0.0

Problem description: The registered account cannot be upgraded.

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I am using Windchill PDMLink Release 12.0 and Datecode with CPS 12.0.0.0

问题描述：注册的账号linwei_zhang@sgssemi.com无法升级。