You may need to go with Remodelling concept.
http://help.sap.com/saphelp_nw70/helpdata/en/58/85e5414f070640e10000000a1550b0/content.htm
This seems to be DEV system, so better you delete cube data and remove infoobject.
You may need to go with Remodelling concept.
http://help.sap.com/saphelp_nw70/helpdata/en/58/85e5414f070640e10000000a1550b0/content.htm
This seems to be DEV system, so better you delete cube data and remove infoobject.