Invalid argument error.

[max_154]

Hi all, having problems, if anyone can advise me on what is wrong here it would be greatly appreciated.

[color=rgba(255, 255, 255, 0.7)]TypeError: Cannot read property 'log' of undefined
at pipelineRunner (C:\xxxx\xx\Downloads\gekko-develop\web\routes\startGekko
.js:86:14)
at Object.message (C:\xxxx\xx\Downloads\gekko-develop\core\workers\pipeline
\messageHandlers\realtimeHandler.js:10:9)
at ChildProcess. (C:\xxxx\xx\Downloads\gekko-develop\core\worker
s\pipeline\parent.js:29:12)
at emitTwo (events.js:126:13)
at ChildProcess.emit (events.js:214:7)
at emit (internal/child_process.js:772:12)
at _combinedTickCallback (internal/process/next_tick.js:141:11)
at process._tickCallback (internal/process/next_tick.js:180:9)
disconnect[/color]