| Uncaught exception:
|
| 1. #<&failed-type-check predicate: external?>
|
| 2. #<&message message: "type check failed">
|
| 3. #<&origin origin: external-null?>
|
| 4. #<&irritants irritants: (#<procedure simple-format>)>
|
| 5. #<&source file: "hoot/errors.scm" line: 95 column: 22>
|