If You Delete Your Saves Folder And Click Singleplayer, You Will Get An Error Message That Says "Unable To Load Worlds". If You Change The Language The Error Message Is Still In English.
Environment
MacBook Pro (15-inch, Mid 2010) Running Version 10.11.15
Processor: 2.53 GHz Intel Core i5
Memory: 8 GB 1067 MHz DDR3
Graphics: NVIDIA GeForce GT 330M 256 MB
Java 8 Update 91
Duplicates MC-46341
Can the moderator closing this please add this situation to MC-46341 as well?