Dropdown values are invalid choices
I have created some dropdowns which are being populated from data pages.
Data pages are using report definitions as a source.
The correct values are being populated, but when I click save or submit, page returns error that says selected values are invalid.
I have not set up any validation requirements for the field. I also tried to set an action configuration (Click - Post Value) but this did not help

@AhsanK80
I remember I had the same issue a you few weeks ago
This is an example of a property using a dropdown populated by a Data Page wih a parameter.
If i recall correctly, I had to check the box: Display only (not for validation) save and run a couple of time then uncheck the box.