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  1. Adobe Commerce Help Center
  2. Troubleshooting
  3. Installation and upgrade
Installation and upgrade
  • Troubleshoot upgrade compatibility tool errors
  • Composer install command overides .gitignore file, Adobe Commerce
  • Adobe Commerce upgrade 2.4.3, 2.3.7-p1 PHP Fatal error Hotfix
  • Adobe Commerce 2.4.0: exception during B2B 1.2.0 install
  • Adobe Commerce 2.4.0 installation fails with outdated stores cache
  • Wishlist error during upgrade to Adobe Commerce versions 2.3.4-p1 or 2.3.5
  • During installation, Reflection Exception error
  • During installation, PHP date warning
  • Errors installing optional sample data
  • Installation fails; cannot create install.log
  • During installation, exception SessionHandler::read()
  • During installation, fatal PDO error displays
  • Cannot install using nginx
  • Installation stops at about 70%
  • Exceptions during installation
  • Out of memory error during install or upgrade
  • 'Area code is not set' error when running setup:updgrade
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