[horde] ActiveSync error

[Ruud Baart]

Hi,

I use Horde 6, Debian trixie, php 8.4, nginx 1.26. Installed 
is Horde_ActiveSync 3.0.0alpha5

In the logfile lots of messages like this:

    2026-02-26T10:37:32+00:00 EMERG: HORDE [horde] ParseError: Unclosed '[' on line 1518 does not match ')' in /xxx/yyy/zzz/horde/vendor/horde/core/lib/Horde/Core/ActiveSync/Driver.php:1520
    Stack trace:
    #0 /home/websites/webmail.tiswe.fr/horde/vendor/composer/ClassLoader.php(427): {closure:Composer\Autoload\ClassLoader::initializeIncludeClosure():575}()
    #1 /home/websites/webmail.tiswe.fr/horde/vendor/horde/core/lib/Horde/Core/Factory/ActiveSyncBackend.php(32): Composer\Autoload\ClassLoader->loadClass()
    #2 /home/websites/webmail.tiswe.fr/horde/vendor/horde/injector/src/Binder/Factory.php(125): Horde_Core_Factory_ActiveSyncBackend->create()
    #3 /home/websites/webmail.tiswe.fr/horde/vendor/horde/injector/src/Injector.php(259): Horde\Injector\Binder\Factory->create()
    #4 /home/websites/webmail.tiswe.fr/horde/vendor/horde/injector/src/Injector.php(297): Horde\Injector\Injector->createInstance()
    #5 /home/websites/webmail.tiswe.fr/horde/vendor/horde/injector/src/Injector.php(292): Horde\Injector\Injector->get()
    #6 /home/websites/webmail.tiswe.fr/horde/vendor/horde/injector/src/Injector.php(327): Horde\Injector\Injector->get()
    #7 /home/websites/webmail.tiswe.fr/horde/vendor/horde/core/lib/Horde/Core/Factory/ActiveSyncServer.php(20): Horde\Injector\Injector->getInstance()
    #8 /home/websites/webmail.tiswe.fr/horde/vendor/horde/injector/src/Binder/Factory.php(125): Horde_Core_Factory_ActiveSyncServer->create()
    #9 /home/websites/webmail.tiswe.fr/horde/vendor/horde/injector/src/Injector.php(259): Horde\Injector\Binder\Factory->create()
    #10 /home/websites/webmail.tiswe.fr/horde/vendor/horde/injector/src/Injector.php(297): Horde\Injector\Injector->createInstance()
    #11 /home/websites/webmail.tiswe.fr/horde/vendor/horde/injector/src/Injector.php(327): Horde\Injector\Injector->get()
    #12 /home/websites/webmail.tiswe.fr/horde/vendor/horde/horde/rpc.php(106): Horde\Injector\Injector->getInstance()
    #13 {main} [pid 187385 on line 76 of "/home/websites/webmail.tiswe.fr/horde/vendor/horde/core/lib/Horde/ErrorHandler.php"]