Fatal Error activating Pro on Multisite - Undefined constant X_VERSION

Hi there,

I’m setting up a fresh Multi-site install with no plugins and only twenty-twenty-four as a fall back. I’ve installed the latest Pro (6.4.4) and Pro-Child theme files.

when I activate Pro (or Pro Child) theme, I get a fatal error on the site pointing to X_VERSION constant not being set. See pasted error log below:

Fatal error: Uncaught Error: Undefined constant “Themeco\Theme\X_VERSION” in /code/wp-content/themes/pro/framework/classes/Theme.php:100 Stack trace: #0 /code/wp-content/themes/pro/functions.php(63): Themeco\Theme\Theme->boot(Array, Array) #1 /code/wp-settings.php(611): include(’/code/wp-conten…’) #2 /code/wp-config.php(93): require_once(’/code/wp-settin…’) #3 /code/wp-load.php(50): require_once(’/code/wp-config…’) #4 /code/wp-admin/admin.php(34): require_once(’/code/wp-load.p…’) #5 /code/wp-admin/index.php(10): require_once(’/code/wp-admin/…’) #6 {main} thrown in /code/wp-content/themes/pro/framework/classes/Theme.php on line 100

I’m using Pantheon as the host which may help find some clues and I suspect file permissions may be a culprit, but I’m not sure which files etc.

Any support would be gratefully received.

Michael

Additional Info: This is not specific to Multi-Site. I’ve set up a standard WordPress build with the same concerns.

We can remove the possibility of a fatal error. I’m guessing Cornerstone is not installed, Cornerstone is not up to date, or you need to reinstall the theme completely if you are having this issue at all. Thanks

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