ошибка Notice: compact

[Ольга]

После установки, на заглавной странице, выдает ошибки:

Notice: compact(): Undefined variable: fallback in C:\xampp\htdocs\www\my_wiki\includes\cache\localisation\LocalisationCache.php on line 531

Notice: compact(): Undefined variable: messages in C:\xampp\htdocs\www\my_wiki\includes\cache\localisation\LocalisationCache.php on line 531

Notice: compact(): Undefined variable: rtl in C:\xampp\htdocs\www\my_wiki\includes\cache\localisation\LocalisationCache.php on line 531

Notice: compact(): Undefined variable: capitalizeAllNouns in C:\xampp\htdocs\www\my_wiki\includes\cache\localisation\LocalisationCache.php on line 531

Notice: compact(): Undefined variable: digitTransformTable in C:\xampp\htdocs\www\my_wiki\includes\cache\localisation\LocalisationCache.php on line 531

Notice: compact(): Undefined variable: linkPrefixCharset in C:\xampp\htdocs\www\my_wiki\includes\cache\localisation\LocalisationCache.php on line 531

Notice: compact(): Undefined variable: datePreferences in C:\xampp\htdocs\www\my_wiki\includes\cache\localisation\LocalisationCache.php on line 531

Notice: compact(): Undefined variable: datePreferenceMigrationMap in C:\xampp\htdocs\www\my_wiki\includes\cache\localisation\LocalisationCache.php on line 531

Notice: compact(): Undefined variable: defaultDateFormat in C:\xampp\htdocs\www\my_wiki\includes\cache\localisation\LocalisationCache.php on line 531

Notice: compact(): Undefined variable: extraUserToggles in C:\xampp\htdocs\www\my_wiki\includes\cache\localisation\LocalisationCache.php on line 531

Notice: compact(): Undefined variable: preloadedMessages in C:\xampp\htdocs\www\my_wiki\includes\cache\localisation\LocalisationCache.php on line 531

Notice: compact(): Undefined variable: digitGroupingPattern in C:\xampp\htdocs\www\my_wiki\includes\cache\localisation\LocalisationCache.php on line 531

Notice: compact(): Undefined variable: pluralRules in C:\xampp\htdocs\www\my_wiki\includes\cache\localisation\LocalisationCache.php on line 531

Notice: compact(): Undefined variable: pluralRuleTypes in C:\xampp\htdocs\www\my_wiki\includes\cache\localisation\LocalisationCache.php on line 531

Notice: compact(): Undefined variable: compiledPluralRules in C:\xampp\htdocs\www\my_wiki\includes\cache\localisation\LocalisationCache.php on line 531

Notice: compact(): Undefined variable: messages in C:\xampp\htdocs\www\my_wiki\includes\cache\localisation\LocalisationCache.php on line 531

Notice: compact(): Undefined variable: minimumGroupingDigits in C:\xampp\htdocs\www\my_wiki\includes\cache\localisation\LocalisationCache.php on line 531

Notice: compact(): Undefined variable: digitGroupingPattern in C:\xampp\htdocs\www\my_wiki\includes\cache\localisation\LocalisationCache.php on line 531

Notice: compact(): Undefined variable: pluralRules in C:\xampp\htdocs\www\my_wiki\includes\cache\localisation\LocalisationCache.php on line 531

Notice: compact(): Undefined variable: pluralRuleTypes in C:\xampp\htdocs\www\my_wiki\includes\cache\localisation\LocalisationCache.php on line 531

Notice: compact(): Undefined variable: compiledPluralRules in C:\xampp\htdocs\www\my_wiki\includes\cache\localisation\LocalisationCache.php on line 531

Подскажите пожалуйста, как исправить

 

[UksusoFF]

Версия php какая? Если 7.3, то уменьшайте до 7.2
И судя по путям (C:\xampp\htdocs) у вас на Windows - дальше будет еще куча ошибок.