QUESTION:


I installed module v1.0.6 for my site Magento 2.2.6. 

Exporting the categories to a file csv is fine, however, when I use this exporting file CSV to import, we have validation issues: "Sorry, but the data is invalid or the file is not uploaded".



How to fix it?


ANSWER:


This error happened since the file separator is missing in M2.2.6.


To fix the error, please edit file app/code/Bss/CategoriesImportExport/Model/Source/Import/Behavior/Category.php as below:




 If you need any further assistance, please feel free to contact us. We'd be happy to support!