variable @icon-error is undefined

[tim-breitenstein-it]

Error during:

php bin/magento setup:static-content:deploy -f

after

composer update

and

Updating creativestyle/theme-creativeshop (v10.2.1 => v10.3.4):

frontend/Creativestyle/theme-creativeshop/de_DE 286/2796            ==>------------------------- 10%    1 sec
Compilation from source: /var/www/html/magento-24/lib/web/mage/gallery/gallery.less
variable @icon-error is undefined in file /var/www/html/magento-24/var/view_preprocessed/pub/static/frontend/Creativestyle/theme-creativeshop/de_DE/css/source/_theme.less in _theme.less on line 382, column 22
380| @message-icon__inner-padding-left: 45px;
381| @message-icon__top: 22px;
382| @message-error-icon: @icon-error;
383| @message-success-icon: @icon-success;
384| 
385| //