Bulk Operations are Not Processed

[thehabes]

All attempts at these requests respond with

400
Request 'body' parameter must be a valid JSON object
The body of your request was invalid. Please make sure it is a valid content-type and that the body matches that type.
If the body is JSON, make sure it is valid JSON.

[thehabes]

This was somehow related to packages. Good to go now, no changes required.