How to solve the home page issue,

1 exception(s): Exception #0 (InvalidArgumentException): Required parameter 'theme_dir' was not passed

Exception #0 (InvalidArgumentException): Required parameter 'theme_dir' was not passed

#1 Magento\Framework\View\Design\Fallback\Rule\Theme->getPatternDirs(array('area' => 'frontend', 'locale' => 'en_US', 'file' => 'i18n/en_US.csv', 'theme_dir' => NULL)) called at [vendor\magento\framework\View\Design\FileResolution\Fallback\Resolver\Simple.php:125]

1 Answer 1


please check the theme dir path


and open the Database finds the theme table and check your theme parent id.

  • d mismatch, now things okay, but css not applied all my pages.
    – zus
    Jan 19, 2021 at 18:07
  • follow command. php bin/magento s:up php bin/magento s:s:d -f PHP bin/magento c:f
    – Himanshu
    Jan 20, 2021 at 9:27

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