Fix any of the following:
Element does not have inner text that is visible to screen readers
aria-label attribute does not exist or is empty
aria-labelledby attribute does not exist, references elements that do not exist or references elements that are empty
Element's default semantics were not overridden with role="presentation"
Element's default semantics were not overridden with role="none"
Element has no title attribute or the title attribute is empty
Issue
Buttons must have discernible text
(button-name)It also doesn't appear to do anything
Target application
Control Panel - kh - Administration
Element path
button[data-target="module-87"]
Snippet
<button class="j-card-header-icon icon-chevron-down joomla-collapse-card-body" data-target="module-87"></button>
How to fix
Environment
Chrome version 78.0.3904.97