How can I remove this error

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Anyone help me please I am starting cource mendix rapid I’m on module 6 face this error while doing the example
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4 answers
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Hi Ramy,

If you switch the dataview source to Registration entity from TrainingEvent entity, this error should be resolved.

Thanks

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Hi Ramy Hassan ,

 

Create a TrainingEvent entity object in the navigation or (where you call the page )

Thank you !!

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Section 6.8.2 - First tab is for Overview which is to show all the existing registrations and this is built as list view with association Registration_TrainingEvent.

Section 6.8.3 - Second tab is for Details page which is built as data view with Registration entity as the page parameter.

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he show this

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