Error starting Blynk server

WARNING : ‘’ does not exists. Please specify correct -dataFolder parameter.
Your data may be lost during server restart. Using temp folder : /tmp/blynk
Error starting Blynk server. Stopping.

So, do that :wink: Link below.

And you are still having issues, please supply details… What are you installing Local Server on; What version are you installing; How have you configured your file; Etc.