Validation rules cannot be applied for the fields in a table.
Reproducing the Issue
- Go to any work center eg: Sales -> Opportunity.
- Open any Opportunity.
- Go to Products Facet.
- Set a validation rule or a rule through Property Changes for fields in the table.
- The set rules do not work.
Validation rules are not supported for the fields in a table (List Modification).
This is a current limitation.
validation rule, rules on tables, column field rules , KBA , AP-RC-UIF-FLX , Page Layout & Key User Configuration , Product Enhancement