[SMAPI] The game crashed last time you played. That can be due to bugs in the game, but if it happens repeatedly you can ask for help here: http://community.playstarbound.com/threads/108375/.
[SMAPI] If you ask for help, make sure to attach this file: C:\Users\Administrator\AppData\Roaming\StardewValley\ErrorLogs\SMAPI-crash.txt