I recently updated my site from Drupal 8.9.19 to 9.2.8, and from Webform 8.x-5.28 to 6.1.0.
I'm now trying to deploy this update to my test server, and I'm getting the following error when running
[error] Drupal\Core\Config\ConfigImporterException: There were errors validating the config synchronization. Entities exist of type <em class="placeholder">Webform submission</em> and <em class="placeholder">Webform</em> <em class="placeholder">Title I Program</em>. These entities need to be deleted before importing. in Drupal\Core\Config\ConfigImporter->validate() (line 750 of /home/m4m/web/core/lib/Drupal/Core/Config/ConfigImporter.php).
I found this other Drupal Answers post, which seems to describe a similar problem.
Unfortunately, this post doesn't really help me. I don't understand why I'm getting this error.
I also found this post from jrockowitz – but, again, I'm afraid it's a bit over my head.
Can anyone suggest a possible root cause, or a possible solution to try?