Button does nothing
Open the page in a private window and check the browser console (F12). The most common cause is a Content Security Policy on the host site blocking the script. Allowlist omb.cloud.
Submits but no CRM lead
Open the form's "Submissions" tab — the row is there but routing rule didn't fire. Check the routing rule conditions. Empty routing = submission stored but no Lead created.
Validation error never clears
Custom regex pattern is too strict (e.g. phone regex that doesn't accept the format users type). Loosen the pattern or remove it.
File upload fails
Default cap is 25 MB per file. PDFs over that limit silently fail in the browser. Raise the cap on the form or split the file.