About attribute validation
The system validates attributes in the following ways:
Template attributes validation checks whether two or more form columns point to the same table column in both summary tab and other, non-summary tabs.
The system performs this type of validation when saving a template.
If two or more form columns point to the same table column, the system generates an error message describing the duplicated references.
Templates attributes type validation checks whether two form columns from two templates point to same table column but with different type (for example, one has a type of select and the other is multi-select).
If two or more form attributes with different types point to the same table column, the system generates an error describing the inconsistency.
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