Rovar2000Original post
Rank 2: Process
Attribute with the requested key already exists. Attribute keys must be unique, try again with a different key.
i want to create a relationship on my cards collection but it gives me this error i check the database with phpMyAdmin but i don't know what to change inside it.
Summary
Developer is unable to create a relationship in their self-hosted database due to an existing attribute key error. They are unsure how to resolve it when checking the database with phpMyAdmin.