Upon shutdown of a personal minecraft server (1.9.4) the following error is produced:
[09:25:15] [Server Shutdown Thread/INFO]: Stopping server
[09:25:15] [Server Shutdown Thread/INFO]: Saving players
2016-05-11 09:25:15,670 ERROR Attempted to append to non-started appender File
2016-05-11 09:25:15,676 ERROR Unable to write to stream logs/latest.log for appender File
This is a subset of the entire error produced, please see attachment for entire environment information and server logs are in the attachments
The error you provided in the description is absent in the log files, please provide the log file in which the error occured.