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I have just upgraded my magento site from 1.7.0.2 to latest version and when i visit my frontend, it is working fine but when I try to open admin panel, it shows nothing and display white screen.

I used following in index.php file to see any error but nothing is appearing still.

error_reporting(E_ALL);
ini_set('display_errors', 1);

Please help me

  • Please go yourMagentoDir/var/report and check the error file and here magento print the error – Amit Bera Jun 22 '15 at 6:53
  • There is no any "report" folder there but "log" folder in which one file created "system.log". In this file there is a statement "2015-06-22T05:19:26+00:00 DEBUG (7): Controller Predispatch dispatched..." – Arshad Hussain Jun 22 '15 at 6:57
  • you need to open your servers error log. – user2857 Jun 22 '15 at 11:15
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This took a minute to figure out. I had to use a tool called beyond compare to fix it.

I did the upgrade using the "magento connect" via the admin. However this caused several issues. I upgraded 1.7.0.2 to 1.9.2.2

To fix this, you need to download the 1.9.2.2 CE from the magento site, then compare your directory structure to the files you just downloaded. You'll notice that many rogue directories have been created as file names (example: filename.php is actually a directory) You need to delete the directories and then copy the correct "file" over. You'll also notice that several hundred other files did not copy over. You'll need to copy those over too.

Long story short, don't use the magento connect upgrade, do it manually from the download.

  • Yep, that's pretty standard Connect heartburn... Also, Google Checkout was discontinued somewhere along the line so if going into System=>Configuration white screens the backend (1.9 stubs GoogleCheckout so only the Model is left, remove all GoogleCheckout/etc/*.xml files except config.xml) – Fiasco Labs Dec 18 '15 at 3:26
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Below steps helped me to get the admin panel back after upgrade.

  1. Download the targeted version of Magento.
  2. In your instance, update following directories by copying from the downloaded version. app/design/adminhtml and skin/adminhtml.
  3. Clear var/cache directory.
  • This is the correct solution :) Fixed my very same issue. – Eduard Oct 5 '17 at 13:11
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just remove all files except config.xml in app/code/core/Mage/GoogleCheckout/etc

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