Log ticker symbols from investment accounts in Quicken 2016 using AppleScript

LogSymbols.applescript

tell application "Quicken 2016"
	set quickenDocument to front document
	set tickerSymbols to ""
	repeat with theAccount in accounts of quickenDocument
		set accountType to type of theAccount
		set isInvestmentAccount to my stringContains(name of accountType, {"BROKERAGE", "RETIREMENT"})
		if isInvestmentAccount is true then
			try
				set accountName to name of theAccount
				log "Account: " & accountName
				
				-- ####################################################
				-- The following line will result in (*Quicken 2016 got an error: AppleEvent handler failed.*) (*-10000*)
				set statement to last statement of theAccount
				-- ####################################################
				
				log "Last statement:"
				log statement
				repeat with holding in inv holdings of statement
					log holding
					log TICKER of security ID of holding
				end repeat
			on error eMsg number eNum
				log eMsg
				log eNum
			end try
		end if
	end repeat
end tell

on stringContains(theText, listOfCharsOrStrings)
	local ASTID, theText, listOfCharsOrStrings, i
	set ASTID to AppleScript's text item delimiters
	try
		script k
			property l : listOfCharsOrStrings
		end script
		set len to count k's l
		repeat with i from 1 to len
			set cur_ to k's l's item i
			set AppleScript's text item delimiters to cur_
			set i to (count theText's text items) - 1
			set AppleScript's text item delimiters to ASTID
			if i > 0 then
				return true
			end if
		end repeat
		return false
	on error eMsg number eNum
		set AppleScript's text item delimiters to ASTID
		error "Can't stringContains: " & eMsg number eNum
	end try
end stringContains

When trying to access last statement of an account (line14), you'll get an error in the system console:

5/20/16 11:27:30.102 AM Quicken 2016[76825]: An exception was thrown during execution of an NSScriptCommand...
5/20/16 11:27:30.102 AM Quicken 2016[76825]: [<Account 0x7ffb5bd45fa0> valueForUndefinedKey:]: the entity Account is not key value coding-compliant for the key "mostRecentStatement".