Warning: wpg-shortcode-glossary-list.class.php

Get this warnings:

Invalid argument supplied for foreach() in ... wpg-shortcode-glossary-list.class.php on line 117

and

array_chunk(): Size parameter expected to be greater than 0 in ... wpg-shortcode-glossary-list.class.php on line 114

$return = '<span class="glossary-list-details">';
		foreach( $termlist as $col => $items ):
			$return .= '<ul class="glossary-list">';
			$return .= implode( '', $items );
			$return .= '</ul>';
		endforeach;
		$return .= '</ul>';

hope some can help

https://www.ads-software.com/plugins/wp-glossary/