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Attribute sets Break after 3-4 changes.

Attribute sets Break after 3-4 changes.

Hello everyone,

i am new here so please be gentle.

i have an fresh magento 2.3.4 installation and kept it as a snapshot.

being fresh i can change (remove/add/change order) attributes 2-3 times after that i see "ATTENTION Sorry, we're unable to complete this request".


i can not find something the logs.

clicking the save button i get an 403 Post.


i would so gracious for some help.

Thank you in advance,



Re: Attribute sets Break after 3-4 changes.

Hello @nikos_charalamp 


Can you please check in var/log directory.


I think there should be some log entry


If my answer is useful, please Accept as Solution & give Kudos


Thank You

Anant P

Thank you
Anant Prajapati
Magento Certified Developer

Re: Attribute sets Break after 3-4 changes.

Hi @nikos_charalamp 


Make sure that you have correct permission for magento folder.

find . -type d -exec chmod 755 {} \; && find . -type f -exec chmod 644 {} \; && chmod u+x bin/magento

chmod -R 0777 var/ pub/ generated/

I will suggest to change developer mode to see the errors.

php bin/magneto deploy:mode:set developer

You can also enable the error_reporting on frontend,

Enable the error reporting in the following file. 



Un-comment the below line.


ini_set('display_errors', 1);

I hope it will help you to find the error.