This is actually pretty easy to fix. Look at the xkit settings for One-Click Postage:

Change the Default from “Default Action” to the blog you want:

Aaaaand fixed:

insert-headers-and-footers
domain was triggered too early. This is usually an indicator for some code in the plugin or theme running too early. Translations should be loaded at the init
action or later. Please see Debugging in WordPress for more information. (This message was added in version 6.7.0.) in /usr/home/tevruden/wp/tevruden/wordpress/wp-includes/functions.php on line 6121A copy of Tevruden's blog because I don't Trust Like that anymore.
This is actually pretty easy to fix. Look at the xkit settings for One-Click Postage:
Change the Default from “Default Action” to the blog you want:
Aaaaand fixed: