🇩🇪Germany mspae
I had the same problem with a view page.
#4 fixed the issue.
🐛 | Webform | Webform prepopulate on multivalue fields returns BadRequestHttpException: Input value "*FIELD_NAME*" contains a non-scalar value.
🇩🇪Germany mspae
We experienced the same issue. The patch in #2 worked for us.
🇩🇪Germany mspae
Any ETA on the release containing this fix? Sites doing the Drupal 9 to 10 upgrade are affected by this.