1.5.8 Ошибка JavaScript

После обновления движка до 1.5.8 стала (нерегулярно) появляться вот такая ошибка:
The server responded with an error. The error message is in the JavaScript console.

Нечасто, но и не так уж редко. Чаще всего возникает при попытке ответа в темах.

В консоли пишет вот что:

Error in parsing value for 'background-position'. Declaration dropped. css.php:18:21
Expected declaration but found '*'. Skipped to next declaration. css.php:52:1
Expected declaration but found '*'. Skipped to next declaration. css.php:53:1
Unknown property '-moz-border-radius'. Declaration dropped. css.php:198:46
Unknown property '-moz-box-shadow'. Declaration dropped. css.php:199:65
Unknown property '-moz-border-radius-topleft'. Declaration dropped. css.php:230:63
Unknown property '-moz-border-radius-topright'. Declaration dropped. css.php:231:65
Unknown property '-moz-border-radius'. Declaration dropped. css.php:242:46
Error in parsing value for 'background-image'. Declaration dropped. css.php:271:18
Error in parsing value for 'background-image'. Declaration dropped. css.php:272:18
Error in parsing value for 'background-image'. Declaration dropped. css.php:273:18
Error in parsing value for 'background-image'. Declaration dropped. css.php:274:18
Unknown property '-moz-border-radius'. Declaration dropped. css.php:289:46
Error in parsing value for 'background'. Declaration dropped. css.php:322:14
Error in parsing value for 'background'. Declaration dropped. css.php:324:14
Unknown property '-moz-border-radius-bottomleft'. Declaration dropped. css.php:327:71
Unknown property '-moz-border-radius-bottomright'. Declaration dropped. css.php:328:73
Unknown pseudo-class or pseudo-element '-webkit-full-screen'. Ruleset ignored due to bad selector. css.php:361:21
Unknown pseudo-class or pseudo-element '-ms-fullscreen'. Ruleset ignored due to bad selector. css.php:373:21
Unknown pseudo-class or pseudo-element 'fullscreen'. Ruleset ignored due to bad selector. css.php:379:21
Unknown property '-moz-border-radius'. Declaration dropped. css.php:409:46

Подскажите методы решения данной проблемы.

 

Стиль устарел. Шаблоны и настройки стилей содержат устаревшие свойства/параметры, их надо удалить или изменить.