vcon-server

Problem types

precondition-failed

If-Match does not name the current version

Type
https://vcon-server.com/problems/precondition-failed
Status
412
Title
If-Match does not name the current version

When

If-Match names a version that is no longer current, or is not one strong tag (*, a weak tag or a list name no version).

What to do

Read again, merge your change into the current version, and retry with its ETag.

Source of this page: website/content/problems/precondition-failed.md