name[xy] fail assertion only if existing prefix is being changed (closes #139999)
revisions#e38902402af5 [xy] fail assertion only if existing prefix is being changed (closes #139999), #851ea9542d0c [xy] fail assertion only if existing prefix is being changed (closes #139999)
ticket#139999 assertion error: prefix already defined [validation pending, 0.38.0]
committer<not specified>
reviewerjroy