XML Parsing Error: undefined entity

Hi

Losing my hair on this one.

website is https://www.muslimmums.co.za

When you try to subscribe to the RSS it kicks out this error:

XML Parsing Error: undefined entity
Location: https://feeds.feedburner.com/MuslimMums
Line Number 12, Column 48: <title>Muslim Mums South AfricaPicture 257600 « </title>
——————————————————^

I’v replaced all wordpress files. Just not sure where or what to edit to fix this.