Document has been converted to visualization, but visualization window does not display thumbnail.

I am using Windchill PDMLink Release 11.0 and Datecode with CPS M020-CPS16
The document has been converted to visualization, but the visualization window does not display thumbnails (can be opened with creovies)

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Translated text from Simplified Chinese to English using google translate by community moderation team.

Body: 文档已经转可视化，但是可视化窗口不显示缩略图（用creovies可以打开）

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