Reports -> Error Log filled with
[2019-10-01 06:50:03] (ERROR @ ~/public_html/core/xpdo/xpdo.class.php : 1247) Problem getting service babel, instance of class Babel, from path ~/public_html/core/components/babel/model/babel/
[2019-10-01 06:50:03] (ERROR @ ~/public_html/core/xpdo/xpdo.class.php : 644) Could not load class: Babel from babel.
Found this report of the same thing from May - https://github.com/Sterc/SEOTab/issues/182
SEOTab had Babel added in 2.2.0 MODX 2.7.1