Error: "Could not find valid value for u"
Overview
Since upgrading to 5.28.2 have been seeing a number of Error messages in the log
Reproduction steps
Go to https://mysite.com/civicrm/mailing/url
Current behaviour
On 5.28.2:
- If Anonymous User get the error message on a blank white screen.
- If logged in as Administrator get the error in an Error box.
- If switch on Trace on Error get:
Expected behaviour
Not quite sure, but 5.24.4 gives:
- If Anonymous get standard Access Denied message - seems correct.
- If Admin get a list of Mailings. Not sure what should happen here.
Environment information
- CiviCRM 5.28.2
- Drupal 7.72
- PHP 7.2.33
Comments
Also on StachExchange https://civicrm.stackexchange.com/questions/37657/what-is-error-could-not-find-valid-value-for-u
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