When you get this error, please take a look at BG-DWH log and if you see below
ERROR 2016-12-08 15:36:05,993 [Dispatch pool-5-thread-7 : bg@lxcapsclarprd01.lowes.com (tenant=clarity)] jaspersoft.ClarityJasperAdmin (clarity:tnunes:9044398363__8A0F835E-99D7-49B1-8026-2023CAADA97B:Load Data Warehouse (Incremental)) Could not login to http://Jasper:8080/reportservice with username ppmjasperadmin
ERROR 2016-12-08 15:36:05,993 [Dispatch pool-5-thread-7 : bg@lxcapsclarprd01.lowes.com (tenant=clarity)] kettle.DataWareHouseKettleJob (clarity:tnunes:9044398363__8A0F835E-99D7-49B1-8026-2023CAADA97B:Load Data Warehouse (Incremental)) Could not login to Jaspersoft, domains could not get updated for customizations
ERROR 2016-12-08 15:36:06,002 [Dispatch pool-5-thread-7 : bg@lxcapsclarprd01.lowes.com (tenant=clarity)] niku.njs (clarity:tnunes:9044398363__8A0F835E-99D7-49B1-8026-2023CAADA97B:Load Data Warehouse (Incremental)) Error executing job: 5462005
com.ca.jasper.restAdapter.JasperException: User Id not found
at com.niku.union.reporting.jaspersoft.ClarityJasperAdmin.createJasperHeaders(ClarityJasperAdmin.java:282)
at com.niku.union.reporting.jaspersoft.ClarityJasperAdmin.login(ClarityJasperAdmin.java:208)
at com.niku.union.reporting.jaspersoft.ClarityJasperAdmin.createInstance(ClarityJasperAdmin.java:139)
at com.ca.clarity.etl.kettle.DataWareHouseKettleJob.executeETLJob(DataWareHouseKettleJob.java:80)
at com.ca.clarity.njs.listeners.ETLJobListener.scheduledEventFired(ETLJobListener.java:31)
at com.niku.njs.Dispatcher$BGTask.run(Dispatcher.java:367)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:745)
There is a error "User Id not found" which says ppmjasperadmin is not there in Jaspersoft server. This can happen when the user in CA PPM "ppmjasperadmin" is either changed to something else and when the Jaspersoft content was imported it failed and did not create "ppmjasperadmin" in Jaspersoft