RSS Feed/News Payment callbacks completely broken after upgrade to 2.2.13 Patch 2

[ENXF NET]

Getting this error:

Code:

    ParseError: syntax error, unexpected token "const" src/XF/Payment/CallbackState.php:25 

Generated by: Unknown account Sep 19, 2026 at 12:23 PM 

Stack trace

#0 src/vendor/composer/ClassLoader.php(427): Composer\Autoload\{closure}('/mnt/nfs/db1/da...')
#1 src/XF/Payment/Stripe.php(686): Composer\Autoload\ClassLoader->loadClass('XF\\Payment\\Call...')
#2 payment_callback.php(33): XF\Payment\Stripe->setupCallback(Object(XF\Http\Request))
#3 {main}

In...

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