AUR0101

Error Message

AUR0101: Ast eval error: binding behavior "{{name}}" could not be found. Did you forget to register it as a dependency?

Description

This error occurs during binding expression evaluation when a binding behavior (used via & someBehavior) cannot be found in the current registration scope.

Solution

• Ensure the binding behavior is registered (globally via Aurelia.register(...) or locally via a component’s dependencies).

• Check for typos in the behavior name used in the template.

More Information

This code is also documented under the runtime-html section: AUR0101.