2650623 - XSA User switching not possible - failed to run as user 'xxx' associated with current space

You can see the exception in xscontroller.out log file:

[...]
[2017-11-22 08:56:42:699] - [Controller.Balancer] - [error] - [ controller] — [baIancing - 29]: Failed to adapt number of application instances.
java.util.concurrent.ExecutionException: com.sap.xs2rt.controller.ControIIerExceptions$StartAppIicationException:
Com.sap.xs2rt.core.rest.client.RestResponseException :
FAILED to run as user 'xxx' associated with current space:
No permission (sudo exit code: 1) .
[...]

SAP HANA Extended Application Services

FAIL, process,, HDB, XS, Controller, not, running, XSA, sudo, user, switch, switching, Controller, balancer, StartAppIicationException, FAILED, run, user, associated, space, No permission, exit code: 1,  RestResponseException , KBA , BC-XS-RT , XS Advanced Runtime / XS Controller , Problem