TypeError: Cannot read property 'sort' of undefined.

[vinura]

C:\Users\Vinura\Documents\OneDrive\Tower Placement Problem QGIS Solution\Data\Geographical Daa\Elevation>agsout -s ./services.txt -o ./
TypeError: Cannot read property 'sort' of undefined
at requestService (C:\Users\Vinura\AppData\Roaming\npm\node_modules\agsout\index.js:79:11)
at rp.then (C:\Users\Vinura\AppData\Roaming\npm\node_modules\agsout\index.js:70:4)
at tryCatcher (C:\Users\Vinura\AppData\Roaming\npm\node_modules\agsout\node_modules\bluebird\js\release\util.js:16:23)
at Promise._settlePromiseFromHandler (C:\Users\Vinura\AppData\Roaming\npm\node_modules\agsout\node_modules\bluebird\js\release\promise.js:517:31)
at Promise._settlePromise (C:\Users\Vinura\AppData\Roaming\npm\node_modules\agsout\node_modules\bluebird\js\release\promise.js:574:18)
at Promise._settlePromise0 (C:\Users\Vinura\AppData\Roaming\npm\node_modules\agsout\node_modules\bluebird\js\release\promise.js:619:10)
at Promise._settlePromises (C:\Users\Vinura\AppData\Roaming\npm\node_modules\agsout\node_modules\bluebird\js\release\promise.js:699:18)
at _drainQueueStep (C:\Users\Vinura\AppData\Roaming\npm\node_modules\agsout\node_modules\bluebird\js\release\async.js:138:12)
at _drainQueue (C:\Users\Vinura\AppData\Roaming\npm\node_modules\agsout\node_modules\bluebird\js\release\async.js:131:9)
at Async._drainQueues (C:\Users\Vinura\AppData\Roaming\npm\node_modules\agsout\node_modules\bluebird\js\release\async.js:147:5)
at Immediate.Async.drainQueues (C:\Users\Vinura\AppData\Roaming\npm\node_modules\agsout\node_modules\bluebird\js\release\async.js:17:14)
at runCallback (timers.js:672:20)
at tryOnImmediate (timers.js:645:5)
at processImmediate [as _immediateCallback] (timers.js:617:5)

[tarnh]

@vinura Please publish the content of your services.txt to allow us to debug.

[andrewteg]

I recently got this with this line for services.txt:

https://gismaps.vita.virginia.gov/arcgis/rest/services/VA_Base_layers/VA_Land_Cover/MapServer/0|VA_Base_layers_Land_Cover|500