Not able to add infrastructure provider in ManageIQ app

Question
#1

I am not able to add the infrastructure Vcenter provider in ManageIQ app
Error log from evm.log

[----] W, [2018-12-16T20:23:55.147093 #30223:22e4274] WARN – : MIQ(ManageIQ::Providers::Vmware::InfraManager.validate_connection) #<NoMethodError: undefined method cookie' for #&lt;Handsoap::Response:0x00000005c6e328&gt;&gt; [----] W, [2018-12-16T20:23:56.645882 #30223:22e997c] WARN -- : MIQ(ManageIQ::Providers::Vmware::InfraManager.validate_connection) #&lt;NoMethodError: undefined methodcookie’ for #<Handsoap::Response:0x0000000a3241f0>>