End expected to close while

--Initiate modem and set label
rednet.open("right")
rednet.host("turtleNet", "Farming" .. os.getComputerID())
rednet.broadcast("Farming started", "turtleAlert")
shell.run("label set Farmer")
turtle.select(1)

--Check for seeds
while true do
	local data = turtle.getItemDetail()

	if data ~= nil then
		if data.name == "minecraft:wheat_seeds" and data.count == 64 then
			break
		elseif data.name == "minecraft:wheat_seeds" and data.count ~= 64 then
			print("ERR: Insufficient seeds")
			rednet.broadcast("ERR: insufficient seeds", "turtleAlert")
			os.sleep(30)
		else
			print("ERR: Wrong item in slot #1")
			rednet.broadcast("ERR: wrong item in slot #1", "turtleAlert")
			os.sleep(30)
		end
	else
		print("ERR: no item in slot 1")
		rednet.broadcast("ERR: no item in slot #1", "turtleAlert")
		os.sleep(30)
	end
end

--Begin farm routine
while true do
	--Positioning, checks for STOP block (wood planks)
	while true do
		local success, data = turtle.inspect()
		if data.name == "minecraft:planks" then
			turtle.turnLeft()
			turtle.turnLeft()
			break
		else
			turtle.turnLeft()
		end
	end

	--Main work routine
	while true do
		--Left side
		turtle.turnLeft()
		local success, data = turtle.inspect()

		if success then
			if data.metadata == 7 then
				turtle.dig()
				turtle.place()
				turtle.turnRight()
			elseif data.metadata ~= 7 then
				turtle.turnRight()
			end
		else
			turtle.dig()
			turtle.place()
			turtle.turnRight()
		end

		turtle.turnRight()

		--Right side
		local success, data = turtle.inspect()

		if success then
			if data.metadata == 7 then
				turtle.dig()
				turtle.place()
				turtle.turnLeft()
			elseif data.metadata ~= 7 then
				turtle.turnLeft()
			end
		else
			turtle.dig()
			turtle.place()
			turtle.turnLeft()
		end

		--Check for STOP block
		local success, data = turtle.inspect()
		if data.name == "minecraft:planks" then
			local success, data turtle.inspectUp()

			--Check for chest (home)
			if success and data.name == "minecraft:chest" then
				--Drop items into upper chest
				i = 1

				while i <17 do
					turtle.select(i)
					turtle.dropUp()
					i = i + 1
				end

				turtle.select(1)

				--Check fuel level, withdraw fuel from lower chest and refuel if needed
				if turtle.getFuelLevel() < 200 then
					if turtle.suckDown() == true then
						turtle.refuel()
					else
						print("ERR:No fuel left in chest")
						rednet.broadcast("ERR: No fuel in chest", "turtleAlert")
						os.sleep(30)
					end
				end

				--Withdraw seeds from upper chest
				turtle.suckUp()
			end
		end  

		rednet.broadcast("Task done, sleeping(600)", "turtleAlert")
		os.sleep(10)
		break
	else  --# Trying to "else" a "while" loop??
		turtle.forward()
		--end
	end
end