# Variables
Business validation failed.
Database operation error.
An error occurred internally.
A panic occurred internally.
The configuration is invalid for current operation.
The function cannot be used like this.
The given parameter for current operation is invalid.
Invalid request.
The configuration is missing for current operation.
Parameter for current operation is missing.
It needs necessary package import.
No error code specified.
Not Authorized.
Resource does not exist.
The operation is not implemented yet.
The operation is not supported yet.
It is OK.
I tried, but I cannot give you what you want.
Security Reason.
Server is busy, please try again later.
Unknown error.
Data validation failed.
# Interfaces
Code is universal error code interface definition.