How To Fix Unique Constraint Violation Found In Magento 2
In this post, I will guide you on How To Fix Unique Constraint Violation Found In Magento 2. This error will usually appear in the back-end.
Surely you will be very annoyed when you get the following error in the backend.
This error usually appears when you add a category, product, item, or create a new order. You’ve been wanting to use these features, but an error has delayed your work. The reason for this error could be the creation of duplicate values in the database table.
Follow the post and follow the steps below to fix this error:
Steps To Fix Unique Constraint Violation Found In Magento 2
1. Access to your Magento 2 database.
2. This problem is related to the sequence table. So check the table of sequence_order_0 and sequence_order_1.
In sequence_value, set to primary_key and AUTO_INCREMENT.
Thus, I have guided you to fix this error in a simple way. Please go to Magento 2 Admin Panel to check if the error has been fixed?
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