# Validation errors
error.validation.default=Validation failed.
user.name.required=Name is required.
user.name.size=Name length must be between {min} and {max} characters.
user.email.invalid=Please provide a valid email address.
user.description.size=Description cannot exceed {max} characters.

# Business errors
error.biz.denied=Operation {0} is not allowed.
error.auth.unauthorized=Authentication required.
error.permission.denied=You don't have permission to access {0}.
error.resource.notfound={0} with ID {1} not found.
error.user.delete.admin=Cannot delete admin user.
error.unknown=Unknown error type: {0}

# Server errors
error.server.internal=Internal server error. Please try again later.
error.server.busy=Server is busy. Please try again later.
error.server.maintenance=System is under maintenance.

# Data errors
error.data.duplicate=Duplicate data found.
error.data.invalid=Invalid data format.
error.data.notfound=Data not found.