https://help.sap.com/doc/saphelp_ve-planner80/8.0/de-DE/45/a0bdc85cca4dba996bcbedded971e0/frameset.htm2017-02-13https://help.sap.com/doc/saphelp_ve-planner80/8.0/en-US/45/a0bdc85cca4dba996bcbedded971e0/frameset.htm2017-07-17