[Plugin: XML Image Sitemap] Â XML Parsing Error: undefined entity in output

Just wanted to share this. Not sure if I need to do something on my server to fix, or if something can be done with the plugin. Google seems not to want to swallow it in webmaster tools.

https://www.thegreathimalayatrail.org/sitemap-image.xml

XML Parsing Error: undefined entity
Location: https://www.thegreathimalayatrail.org/sitemap-image.xml
Line Number 175, Column 45: 		<image:caption>Makalu with Barun Pokhari &Acirc;&copy; 2011 Roland Hunter</image:caption>

From this page.
https://www.thegreathimalayatrail.org/4541/arun-valley-makalu-base-camp-trek/

An answer appears to be here….
https://ncsuwebdev.ning.com/forum/topics/the-case-of-the-mysterious

Thanks for an otherwise great plugin!

https://www.ads-software.com/extend/plugins/xml-image-sitemap/