custompatchvalidator entry is missing

custompatchvalidator entry is missing

When upgrading from 12.0 Build 12000  to the next version I am using pack 
ManageEngine_SupportCenter_Plus_14_0_0_SP-0_0_0_windows.ppm and have also tried
ManageEngine_SupportCenter_Plus_14_0_0_SP-0_0_1.ppm

receive the Error: custompatchvalidator entry is missing


Any Ideas?
Thanks



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