Editing artifacts results in Locked Artifact RequestError
Accepted answer
The most probable cause is that rm_user does not have appropriate license assigned.
To confirm, check rm.log and see if you can see a similar entry around the time when the user got the RequestError.
2016-08-16 14:18:22,705 [ WebContainer : 11] INFO m.rdm.fronting.server.license.ILicenseCheckService - An error response was received from the Jazz Team Server. Status=400. Message: CRJAZ1848E To perform the "com.ibm.rrs.saveComment" operation, the user (userid="rm_user") must have one of the following licenses that are installed on the server: Developer-Floating, Contributor, Contributor, Quality Professional-Floating, Analyst-Floating, Contributor, Contributor, Developer for IBM Enterprise Platforms. The server administrator can assign licenses.
Current User: https://clmserver:9443/jts/users/rm_user
Once confirmed, this issue can be resolved by assigning one of the licenses to rm_user:
Developer-Floating, Contributor, Contributor, Quality Professional-Floating, Analyst-Floating, Contributor, Contributor, Developer for IBM Enterprise Platforms.