HI,
To be honest I am not following. The name varLastSubmitForm.Title is never going to be a SharePoint field name, I don't even know what theat is.
When you do your submit, are you setting the LastSubmit record value to a variable called VarLastSubmitForm? Why? it's not necessary to access the values
no need to store them in that variable
Also, as you didnt share any Code with us, where you are setting that variable, my assumption is you have not set it correctly. Please replace that variable with just the ForName.LastSubmit.'ColumnName' and skip that variable thing