Just upgraded a WP site to Civi 5.27.1. From 'Manage Contribution Pages' the links as given to Live and Test Drive for a given contribution page appear broken - i.e. they create a white screen indicative of a fatal error. The URLs provided are:
If I edit these URLs to replace "civiwp" with "page" they work fine.
Bug, or am I doing something wrong?
Seems to be related to this announcement: https://civicrm.org/blog/kcristiano/civicrm-526-and-wordpress-important-notice
Update: nothing in the Civi log.