Relying on everyone just being able to recognize Tinkercad at a glance is a little risky, don't you think? Assuming of course, that that is even Tinkercad.
The more detail you include, the easier it is for someone to help. The more detail you leave out, the more likely it is that your plea for help will go ignored.
The "invalid header file" response from Tinkercad seems to be its generic response to a function call or constructor in your sketch not matching what's in a library's header file.
You are fortunate that you only have one header file to check. I'd suggest comparing the declarations in that header file to the usage in your sketch and seeing which one doesn't match. Or which ones don't match.
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Thx for your fast reply and your Feedback.
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