Magento shows blank/empty page. How do I solve this?
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Symptoms
Blank page or white screen is shown in Magento Frontend, Backend or Magento Connect Manager.
Cause
If you see a blank page / white screen opening your Store in browser, it indicates that there is a PHP fatal error somewhere in the code of your Magento store.
This usually happens when you modified files, theme templates or modules / extensions, or installed a theme or extension which cause fatal PHP errors.
Troubleshooting
Before starting investigation please try to Disable Magento Compiler and Clear cached Magento data , in the most cases it should solve the issue.
To see the actual error message you need to login via FTP to your Store and use the following instructions:
- Download the index.php file to your computer
Note: for troubleshooting Magento Connect Manager changes should be done todownloader/index.php file - Edit the downloaded index.php file and uncomment (by removing leading hash character) the following code:
ini_set('display_errors', 1);
or insert this line somewhere at the top of the file.
Note: for troubleshooting Magento Connect Manager changes should be done todownloader/index.php file - Try to increase PHP memory limit up to 256Mb or more by adding the following line intoindex.php right after ini_set('display_errors',1):12
ini_set(
'display_errors'
, 1);
ini_set(
'memory_limit'
,
'256M'
);
- Upload the modified index.php file back (you can also rename original index.php toindex.php.orig to be able to revert the changes)
- Refresh Magento Store page in your browser, you should see the PHP error message now
- Look for the solution by narrowing down search results with your error message
Please do not forget to change 'display_errors' setting back when the issue is solved.
If the error report gives no clue, to solve the issue please use the following steps:
- Rollback all recent changes you applied to your store
- Clear cached Magento data
- Disable Magento Compiler
- One by one, disable recently installed modules by changing <active>true</active>to <active>false</active> in app/etc/modules/<MODULE_NAME>.xml, where <MODULE_NAME> should be replaced with actual module name you installed recently.Flush Magento cache after each operation.
- If you recently installed some theme, try to switch interface to a previously used one. If you can not reach admin interface, you can rename / move out theme directory underapp/design/frontend/<theme_package>/<theme_name>, where<theme_package>/<theme_name> is path to your theme. Flush Magento cache after each operation. Magento will switch to default theme if it can not find a custom one.
- Contact Support Team, providing the error log record and URL, throwing the error report
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