When uninstalling a custom package (developer is not available at the moment), I got the following error:
Finding package with signature: galleries-1.7.1-pl
Package found. Preparing to uninstall.
xPDO->toCache() could not cache object with signature objects/modMenu/a23605ad1f5eb886687a025d9513fb1e
Removed modMenu instance with primary key galleries
Could not load class: g from mysql.g.
Could not load class: c from mysql.c.
PHP warning: key() expects parameter 1 to be array, integer given
PHP warning: key() expects parameter 1 to be array, integer given
The 'OK' button in the console is greyed out, but if I just close the console, clear the cache and reload the manager, everything appears normal. Any ideas what this error means?