Error: Class 'C_Component_Registry' not found


I just installed the plugin and did everything, I had to do (…). But when I open f.e. the reports, the tag manager, I always get the message: Class ‘C_Component_Registry’ not found.

Can someone please help?

Thanks Sal

@SalParadise68 thanks for letting us know about the issue. It sounds like there is some incompatibility issue with another plugin. Do you mind pasting the Matomo system report here which you can find by clicking on “Diagnostics” see How do I find and copy the system report in Matomo for WordPress? FAQ - Analytics Platform - Matomo

If you prefer, you can also email us the report to wordpress at

That would be great. We’d then install the same plugins etc and try to reproduce and fix the issue.

We already did a quick search on that problem and just in case you are using NextGEN Gallery, you might want to look if there is an update available see Error thrown Class ‘C_Component_Registry’ not found | It seems though they might not have fixed the issue yet

Hi Thomas,

you were right: It was the NextGEN Gallery. Who would have thought that…

Thank you very much,

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