diff -u b/core/modules/migrate_drupal_ui/src/Form/MigrateUpgradeForm.php b/core/modules/migrate_drupal_ui/src/Form/MigrateUpgradeForm.php --- b/core/modules/migrate_drupal_ui/src/Form/MigrateUpgradeForm.php +++ b/core/modules/migrate_drupal_ui/src/Form/MigrateUpgradeForm.php @@ -1037,6 +1037,7 @@ // Store the retrieved migration IDs in form storage. $form_state->set('migrations', $migration_array); + $form_state->set('version', $form_state->getValue('version')); $form_state->set('d6_source_base_path', $form_state->getValue('d6_source_base_path')); $form_state->set('source_base_path', $form_state->getValue('source_base_path')); $form_state->set('source_private_file_path', $form_state->getValue('source_private_file_path'));