Check in SM21 if you see see the following error messages:
23:17:44 DIA 006 200 ADMIN BS P BSP Exception: Das Objekt resources/localization/bpc_en_US.properties in der URL /sap/DEMOTEST/resources/localizatio
23:17:44 DIA 006 200 ADMIN BS P BSP Exception: Das Objekt resources/localization/expense_en_US.properties in der URL /sap/DEMOTEST/resources/localiz
23:17:44 DIA 006 200 ADMIN BS P BSP Exception: Das Objekt resources/localization/bpc_en.properties in der URL /sap/DEMOTEST/resources/localization/b
23:17:44 DIA 006 200 ADMIN BS P BSP Exception: Das Objekt resources/localization/expense_en.properties in der URL /sap/DEMOTEST/resources/localizati
you might need to copy the bpc*.properties file to name noted in error message to make it to work.