์ด ์˜์ƒ 40๋ถ„์ฏค๋ถ€ํ„ฐ ๋‚˜์˜ค๋Š” ๊ฒŒ์ž„๊บผ๋„ ๊ณจ๋“œ๊ฐ€ ์ฆ๊ฐ€ํ•˜๋Š” ์Šคํฌ๋ฆฝํŠธ๋ฅผ ๊ทธ๋Œ€๋กœ ์งฐ์Œ.
๊ทผ๋ฐ ๊ฒŒ์ž„์„ ํ”Œ๋ ˆ์ดํ•ด๋ณด๋‹ˆ
FormatException: Input string was not in the correct format
System.Int64.Parse (System.String s) (at /Users/builduser/buildslave/mono/build/mcs/class/corlib/System/Int64.cs:458)
System.Convert.ToInt64 (System.String value) (at /Users/builduser/buildslave/mono/build/mcs/class/corlib/System/Convert.cs:1404)
DataController.GetLastPlayDate () (at Assets/Sripts/DataController.cs:39)
DataController.get_timeAfterLastPlay () (at Assets/Sripts/DataController.cs:94)
DataController.Start () (at Assets/Sripts/DataController.cs:113)

์ด๋Ÿฐ ์˜ค๋ฅ˜์ฝ”๋“œ๊ฐ€ ๋‚˜๋ฉด์„œ ๋ฐฑ๊ทธ๋ผ์šด๋“œ์—์„œ ๊ณจ๋“œ๊ฐ€ ์•ˆ์˜ฌ๋ผ๊ฐ.
๊ทธ๋ž˜์„œ ์˜์ƒ ํ•œ 3๋ฒˆ์”ฉ ๋Œ๋ ค๋ณด๋ฉด์„œ ์ฒดํฌํ•ด๋ดค๋Š”๋ฐ ์Šคํฌ๋ฆฝํŠธ ์ž์ฒด๋Š” ํ•˜๋‚˜๋„ ํ‹€๋ฆฐ๊ฒŒ ์—†๊ณ , ์ง€๊ธˆ๊นŒ์ง€ ์Šคํฌ๋ฆฝํŠธ ํ‹€๋ ธ์„๋•Œ ๋‚˜์™”๋˜ ์˜ค๋ฅ˜๋ฒ ์„ธ์ง€๋“ค์ด๋ž‘์€ ์ข€ ๋‹ค๋ฅธ๊ฒƒ๊ฐ™์Œ.ย 
์™œ ์ด๋Ÿฌ๋Š”๊ฑธ๊นŒ? ์ ์–ด๋„ ์˜ค๋ฅ˜ ์ €๊ฒŒ ์ง€๊ธˆ ๋ญ๋ผ๊ณ  ํ•˜๋Š”๊ฑด์ง€๋ผ๋„ ์•Œ๋ ค์ฃผ๋ผ. ์ž˜ ๋ชจ๋ฅด๊ฒ ์Œ.
ํ˜น์‹œ ์Šคํฌ๋ฆฝํŠธ ๋ด์•ผ ์•Œ์ˆ˜์žˆ๋Š”๊ฑฐ๋ฉด ๋งํ•ด์ค˜ ์ € ์˜ค๋ฅ˜์—์„œ ๋‚˜์˜จ ์ค„ ๋ณต์‚ฌํ•ด์„œ ์˜ฌ๋ฆด๊ฒŒ. ๋”ด๊ฒƒ๋„ ์ด๊ฒƒ์ €๊ฒƒ ์ง‘์–ด๋„ฃ์–ด์„œ ์ „๋ฌธ์„ ๋‹ค ์˜ฌ๋ฆฌ๋ฉด ๋ณด๊ธฐ ํž˜๋“ค๊ฒƒ๊ฐ™์œผ๋‹ˆ๊นŒ