ODK Validate Errors:

<!-Error: ODK Validate Errors:

Something broke the parser. See above for a hint.
org.javarosa.xpath.XPathUnsupportedException: XPath evaluation: unsupported construct [filter expression]

The following files failed validation:

Result: Invalid

Welcome to the ODK forum, @mattload! We're glad you're here. When you get a chance, please introduce yourself on this forum thread. I'd also encourage you to add a real picture as your avatar because it helps build community!

Is this a problem encountered when using Aggregate? Or are you checking a form with XLSForm Online?

If you are able to upload your survey file here, it will help with trouble shooting.

You may also find helpful discussions in other forum threads that mention the error you encountered by searching unsupported construct [filter expression] or other key phrases:

Just uploaded my xls form. i was validating with XLS form online and i keep getting validation error.

Thank you

If you can add you file to this forum thread, we can take a look at it.