Dummy data, install nothing works on Child Theme setup.

Also receiving this error:
<h2 style=”color: #23282d; font-size: 1em; margin: 1.33em 0px; font-family: -apple-system, BlinkMacSystemFont, ‘Segoe UI’, Roboto, Oxygen-Sans, Ubuntu, Cantarell, ‘Helvetica Neue’, sans-serif; background-color: #f1f1f1;”>Installing Plugin LayerSlider WP (1/1)</h2>
<div id=”progress-1″ class=”update-messages hide-if-js” style=”outline: 0px; color: #444444; font-family: -apple-system, BlinkMacSystemFont, ‘Segoe UI’, Roboto, Oxygen-Sans, Ubuntu, Cantarell, ‘Helvetica Neue’, sans-serif; font-size: 13px; background-color: #f1f1f1;”>
<p style=”line-height: 1.5; margin: 1em 0px;”>Downloading install package from <span class=”code” style=”direction: ltr; font-family: Consolas, Monaco, monospace; unicode-bidi: embed;”>/www/wp-content/themes/tower-child/plugins/layersliderwp-5.6.9.installable.zip</span>…</p>

</div>
<div class=”error” style=”outline: 0px; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; border-left: 4px solid #dc3232; box-shadow: rgba(0, 0, 0, 0.1) 0px 1px 1px 0px; margin: 5px 15px 2px 0px; padding: 1px 12px; color: #444444; font-family: -apple-system, BlinkMacSystemFont, ‘Segoe UI’, Roboto, Oxygen-Sans, Ubuntu, Cantarell, ‘Helvetica Neue’, sans-serif; font-size: 13px;”>
<p style=”line-height: 1.5; margin: 0.5em 0px; padding: 2px;”>An error occurred while installing LayerSlider WP: <span style=”font-weight: 600;”>Download failed. A valid URL was not provided.</span>.</p>

</div>