Start FPM Process in MSS Landing Page

Dear Experts

Kindly I got Error 'Specify a valid Person'when I have tried to start FPM Process in MSS Landing Page As below:

I follow help link below

http://help.sap.com/erp_hcm_ias_2013_01/helpdata/en/ec/4b6f1c7fc3460faba3dcc224d1777e/content.htm?frameset=/en/43/1d639b3fce3566e10000000a11466f/frameset.htm

Even Its working fine with ESS

Regrds

Ghadeer