@Tethich , thanks for looking up. I validated the permissions and all looks fine, infact I tried other packages like acs commons package, which uploads and installs fine. The SP package is the one which is failing. I have tried with package taken from multiple sources, but no luck.

Dear Team, I kindly request you please help me out here. On uploading a SP 6.5.19 from packagemanager gives the error as Inaccessible Value. I have tried in multiple browsers. There is no error shown in the error log nor in the network traffic. There is no problem in uploading and installing the AEM...