Hello All,
I retried the Step 5 through the command-line prompt instead of LCS. (you can look at microsoft documentation on how to do it).
That gave me the error : The running command stopped because the preference variable "ErrorActionPreference" or common parameter is set to Stop: Unable to resolve dependency 'dynamicsax-applicationfoundationformadaptor'.
Basically, in some of the models (custom models: ISV and CUS) included in my Deployable Package, we were referencing these Form Adaptor and Fleet Management pckages which are not present in UAT environments (which is the target environment where package is being attempted to install).
So I recreated the deployable package by fixing the models and am attempting another install of DP through LCS.
Let us see how it goes.