No icons are rendered

[dmester]

This is a common issue, and is caused by how Jdenticon render icons.

Please see this article for more information and possible solutions:
Jdenticon doesn't render my icons

Solutions tend to be unique for every framework. If the article does not solve your issue, please search for an existing issue regarding the framework you use. If there is no existing issue, please create a new one and specify which framework you use in the issue title to help other to find the issue.