Uninstall XML File

Go to app/etc/modules/Mageplaza_Seo.xml
Remove this file or Open it and change from

 

<active>true</active>

 

to


 

<active>false</active>

 

Run SQL


Try to run the following SQL command after uninstall it.

 

DELETE FROM `eav_attribute` WHERE `source_model` LIKE 'mageplaza_seo/source_robots';
DELETE FROM `core_resource` WHERE CODE = 'mageplaza_seo';