Box 75 mod 26650 weak battery error

Had the mod for a while and now it says weak battery whenever I try to fire it. I've tried swapping out all my 26650s and it says the same thing for all of them. Is the mod toast?

submitted by /u/Behan801
<a href="”>[link] <a href="”>[comments]

Fatal error: Uncaught Exception: 12: REST API is deprecated for versions v2.1 and higher (12) thrown in /home/thecapec/public_html/wp-content/plugins/seo-facebook-comments/facebook/base_facebook.php on line 1273