When creating a new pdf file or a collection the input should be validated before creating it. In the case of an invalid input the user should have a visual feedback for an invalid input in form of an input banner or a red border of the input field. Another consideration is to disable the save button while the input is not valid
When creating a new pdf file or a collection the input should be validated before creating it. In the case of an invalid input the user should have a visual feedback for an invalid input in form of an input banner or a red border of the input field. Another consideration is to disable the save button while the input is not valid