why i got this error “Error in required structured data element”

Hey AMP Team,
Why am I getting this warning (Error in required structured data element) in google search console? while I have already set up correctly AMP plugin.

Here is my website link – https://www.siwanonline.com/amp

Please fix this issue as soon as possible

Look at the screenshot for reference – https://ibb.co/kqGSpj4

https://ibb.co/xX2PQpq

Thanks

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