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I am trying to edit one of the attributes in the Magento admin panel. When I click on any of them from Catalog -> Attributes -> Manage Attributes, I get the following error:

Fatal error: Call to a member function toHtml() on a non-object in /var/www/html/shop/app/code/core/Mage/Eav/Block/Adminhtml/Attribute/Edit/Main/Abstract.php on line 217

I have seen the fix on Stackoverflow and other sites saying to edit page.xml from

<block type="core/profiler" output="toHtml"/>

to

<block type="core/profiler" output="toHtml" name="core_profiler"/>

however, that does not solve this issue. The code here should all be original. How can I fix this error on the admin control panel?

Manashvi Birla
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Hubk
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  • You are wrong way this is not proper solution, have you use any extension for catalog ? – Sunny Rathod Dec 09 '16 at 05:02
  • I have several extensions installed. How would I know which could be causing this problem? – Hubk Dec 09 '16 at 15:38
  • which is similar to attribute or catalog that is causing the problem – Sunny Rathod Dec 12 '16 at 05:17
  • The only one I can think of is a bulk image extension. I can't remove it. The site would be unmanageable without it. How can I troubleshoot further? – Hubk Dec 12 '16 at 21:58
  • first of all find out which extension causing the problem then debug that extension code and resolve the error this is only one way. Thanks – Sunny Rathod Dec 13 '16 at 05:06

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