SharePoint The form cannot be displayed, possibly due to improper configuration of the Microsoft SharePoint Server State Service.
The command to create a new
State Service, run under the SharePoint Management Shell
$stateName = “State Service”
$stateDBName = “SP2013_State_Service”$stateDB = New-SPStateServiceDatabase -Name $stateDBName
$state = New-SPStateServiceApplication -Name $stateName -Database $stateDB
New-SPStateServiceApplicationProxy -Name “$stateName Proxy” -ServiceApplication $state –DefaultProxyGroup