Non-empty <td> elements in larger <table> must have an associated table header
Moderatetd-has-header
What it checks
Ensure that each non-empty data cell in a <table> larger than 3 by 3 has one or more table headers
How to fix it
Review and fix this accessibility issue following WCAG guidelines
WCAG
Success criteria 1.3.1. See the WCAG 2.2 quick reference.
More detail: Deque University's page on this rule.