Physical themes Magento changes to virtual theme when you change branch on git it is at 1 on the database it should be set to 0.
/** * Checks all physical themes that they were not deleted * * @return $this */ public function checkPhysicalThemes() { $themes = $this->_collectionFactory->create()->addTypeFilter(ThemeInterface::TYPE_PHYSICAL); /** @var $theme ThemeInterface */ foreach ($themes as $theme) { if (!$this->_themeCollection->hasTheme($theme)) { $theme->setType(ThemeInterface::TYPE_VIRTUAL)->save(); } } return $this; } 