(-15): Cannot connect to license

[多曹_10448845]

It can be used on the server side. On the customer service side, 7788@server will prompt to display an error " (-15): Cannot connect to license No solution was found in the knowledge base queryI am using Mathcad Prime Release 8.0 and Datecode8.0.0.0

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Translated from Simplified Chinese to English at 8:41am IST on 15-11-2022 by vnamboodheri(Google translate)
在服务端可以使用 在客服端7788@服务器 会提示显示错误“ (-15): Cannot connect to license
在知识库查询也没有找到解决办法

[VladimirN · Accepted solution]

Article - "Error "(-15) Cannot connect to license server system" while launching FLEXnet enabled applications":
https://www.ptc.com/en/support/article/CS44661 
https://www.ptc.com/en/support/creo-admin-troubleshooter/error-code/error-15