Is it better to have an icon in front of validation messages?

1. How do you reduce errors in a form?
2. What does validation message mean?
3. Where do I show form errors?

How do you reduce errors in a form?

We can prevent errors from happening by ensuring form instructions and labels are clear and informative, making sure users are aware of requirements for form fields, and clearly identifying required form fields. Mistakes happen, though, even when clear instructions are provided.

What does validation message mean?

When you have validation enabled, you can receive messages that validate a filter or function expression. You can receive either warnings or errors based on the information that you have specified in your mapping specification.

Where do I show form errors?

The two most common placements for error messages are at the top of the form and inline with erroneous fields. Which placement is more intuitive for users? A research study discovered that displaying all error messages at the top of the form puts a high cognitive load on user memory.