E013 - Herst/bootlint-ng GitHub Wiki
Note: Below is the original page from the Bootlint documentation, some of the info here might not apply to Bootlint-NG!
Bootlint found non-grid-column children of grid rows. Bootstrap's grid system requires that all children of grid rows must be grid columns.
Wrong:
<div class="row">
<div class="my-awesome-thing">...</div>
<div class="other-thing">...</div>
<div class="row">...</div>
</div>
Right:
<div class="row">
<div class="col-sm-6">...</div>
<div class="col-lg-12">...</div>
<div class="col-xs-12">
<div class="row">...</div>
</div>
</div>