I don't get any error as in an error message, it just never completes and creates the sitemaps. If I return to the create sitemap page I now get the box to resume an interrupted run, which I never got until the hosting provider updated EasyApache, PHP, etc. I turned things back to PHP 5.6 and it's still not completing so I'm at a loss of why this is happening.
Edit: clicked too fast - this is what the error stated on the Run page:
Continue the interrupted session
Updated on 2019-06-27 15:53:27,
Warning: number_format() expects parameter 1 to be double, string given in /home/xxxx/public_html/xxx/pages/page-crawl.inc.php on line 173
Time elapsed: 0:00:00,
Pages crawled: 0 (0 added in sitemap), Queued: , Depth level:
Current page: ()