Split of a Deliverable fails for some reason due to Release value

[amnonig]

Trying to split a deliverable like I have done in the past. It fails (new Edge and Chrome).

Here's the console output:
Content?bundle=vss-bundle-basejs-vwCtrJpcLWiIeuyIlqmSJGfIBPaSLZgklw3ecEhDqrpw=:5 POST https://microsoft.visualstudio.com/OS/_apis/wit/workItems/$Deliverable 400
send @ Content?bundle=vss-bundle-basejs-vwCtrJpcLWiIeuyIlqmSJGfIBPaSLZgklw3ecEhDqrpw=:5
ajax @ Content?bundle=vss-bundle-basejs-vwCtrJpcLWiIeuyIlqmSJGfIBPaSLZgklw3ecEhDqrpw=:5
(anonymous) @ Content?bundle=vss-bundle-ext-core-vY_2nznYWOwJihxedCsWuVCTPaGS_j6G4HtzFf9lE4jQ=:265
c @ Content?bundle=vss-bundle-ext-core-vY_2nznYWOwJihxedCsWuVCTPaGS_j6G4HtzFf9lE4jQ=:233
(anonymous) @ Content?bundle=vss-bundle-ext-core-vY_2nznYWOwJihxedCsWuVCTPaGS_j6G4HtzFf9lE4jQ=:233
u.promiseDispatch @ Content?bundle=vss-bundle-ext-core-vY_2nznYWOwJihxedCsWuVCTPaGS_j6G4HtzFf9lE4jQ=:233
(anonymous) @ Content?bundle=vss-bundle-ext-core-vY_2nznYWOwJihxedCsWuVCTPaGS_j6G4HtzFf9lE4jQ=:233
t @ Content?bundle=vss-bundle-ext-core-vY_2nznYWOwJihxedCsWuVCTPaGS_j6G4HtzFf9lE4jQ=:233
Content?bundle=vss-bundle-ext-core-vY_2nznYWOwJihxedCsWuVCTPaGS_j6G4HtzFf9lE4jQ=:265 Uncaught (in promise) TFS.WebApi.Exception: TF401319: Rule evaluation failed for field Release.
at g (https://microsoft.visualstudio.com/_public/_Bundling/Content?bundle=vss-bundle-ext-core-vY_2nznYWOwJihxedCsWuVCTPaGS_j6G4HtzFf9lE4jQ=:265:499)
at https://microsoft.visualstudio.com/_public/_Bundling/Content?bundle=vss-bundle-ext-core-vY_2nznYWOwJihxedCsWuVCTPaGS_j6G4HtzFf9lE4jQ=:265:3594
at nt (https://microsoft.visualstudio.com/_public/_Bundling/Content?bundle=vss-bundle-ext-core-vY_2nznYWOwJihxedCsWuVCTPaGS_j6G4HtzFf9lE4jQ=:265:763)
at https://microsoft.visualstudio.com/_public/_Bundling/Content?bundle=vss-bundle-ext-core-vY_2nznYWOwJihxedCsWuVCTPaGS_j6G4HtzFf9lE4jQ=:265:3526
at l (https://microsoft.visualstudio.com/_public/_Bundling/Content?bundle=vss-bundle-ext-core-vY_2nznYWOwJihxedCsWuVCTPaGS_j6G4HtzFf9lE4jQ=:233:8126)
at https://microsoft.visualstudio.com/_public/_Bundling/Content?bundle=vss-bundle-ext-core-vY_2nznYWOwJihxedCsWuVCTPaGS_j6G4HtzFf9lE4jQ=:233:8352
at t.when (https://microsoft.visualstudio.com/_public/_Bundling/Content?bundle=vss-bundle-ext-core-vY_2nznYWOwJihxedCsWuVCTPaGS_j6G4HtzFf9lE4jQ=:233:3784)
at t.u.promiseDispatch (https://microsoft.visualstudio.com/_public/_Bundling/Content?bundle=vss-bundle-ext-core-vY_2nznYWOwJihxedCsWuVCTPaGS_j6G4HtzFf9lE4jQ=:233:2828)
at https://microsoft.visualstudio.com/_public/_Bundling/Content?bundle=vss-bundle-ext-core-vY_2nznYWOwJihxedCsWuVCTPaGS_j6G4HtzFf9lE4jQ=:233:1653
at MessagePort.t (https://microsoft.visualstudio.com/_public/_Bundling/Content?bundle=vss-bundle-ext-core-vY_2nznYWOwJihxedCsWuVCTPaGS_j6G4HtzFf9lE4jQ=:233:5777)