I can find no parking area with the tag ref=PER other than the ones you created.  Have they been deleted?  Ther are 2 of these left..

Relation: 17066857
  Edited at: 2024-01-22T19:48:15Z
  In changeset: 146567294

And 
Relation: 17066856
  Data Set: 5965853e
  Edited at: 2024-01-22T19:48:15Z
  In changeset: 146567294
A 2 member relation - looks to be a poor duplicate of above relation 17066857

Example of duplicated ways:

Way: 1241751958  from changeset: 146527486 created 2024-01-21T20:44:59Z  has no tags
Used as an inner in relation  17069273 changeset 146583429 (this one)

Duplicated by Way: 1241751959
Created at: 2024-01-21T20:44:59Z
   In changeset: 146527486
with tag highway=pedestrian ... 