Uncaught Callback must be a function

[primesupra]

[Enter steps to reproduce:]

1. ...
2. ...

Atom: 1.45.0 x64
Electron: 4.2.7
OS: Microsoft Windows 10 Home Single Language
Thrown From: gpp-compiler package 3.0.7

Stack Trace

Uncaught Callback must be a function

At fs.js:137

TypeError [ERR_INVALID_CALLBACK]: Callback must be a function
    at makeCallback (fs.js:137:11)
    at Object.unlink (fs.js:917:14)
    at fs.stat (/packages/gpp-compiler/index.js:427:14)
    at FSReqWrap.oncomplete (fs.js:155:5)

Commands

     -4:12.6.0 application:open-file (div.panels-item)
     -3:29.3.0 gpp-compiler:compile (input.hidden-input)
  8x -2:58.4.0 core:backspace (input.hidden-input)
     -2:55.6.0 core:save (input.hidden-input)
  2x -2:37.5.0 core:backspace (input.hidden-input)
  2x -2:29.1.0 editor:newline (input.hidden-input)
     -2:26.3.0 autocomplete-plus:confirm (input.hidden-input)
     -2:26.3.0 snippets:expand (atom-text-editor.editor.is-focused.autocomplete-active)
 10x -2:23.2.0 core:backspace (input.hidden-input)
     -1:58.5.0 core:save (input.hidden-input)
     -1:56.8.0 gpp-compiler:compile (input.hidden-input)
     -0:56.9.0 core:save-as (input.hidden-input)
     -0:46.2.0 gpp-compiler:compile (input.hidden-input)

Non-Core Packages

gpp-compiler 3.0.7 

[anshttg]

I was having the same error, because I forget to close stop the already running program

[ztyreg]

I fixed this by following this link gruntjs/grunt-contrib-jasmine#262. I.e. changing fs.unlink to fs.unlinkSync at index.js line 427 and restarting Atom.