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I am trying to export products in Magento 1.9.1 using dataflow profiles, but it stops at "Warning: Please do not close the window during importing/exporting data".

This is the error I get:

Fatal error: Call to undefined method Mage_Adminhtml_Model_System_Config_Source_Yesno::setAttribute() in
app/code/core/Mage/Eav/Model/Entity/Attribute/Abstract.php
on line 389

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After searching for hours I found the solution.

look in your database table eav_attribute and search for attributes with source_model = adminhtml/system_config_source_yesno

Then replace it with a correct source model: eav/entity_attribute_source_boolean

I found the solution here

Hope this helps.

  • Did you ever face the issue, no valid send data error during products export? – Gem Mar 1 '18 at 9:48

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