Message: Uncaught Error in $A.getCallback() [Invalid date value]
Callback failed: apex://sortablegrid.sdgController/ACTION$GetSDGInitialLoad

In the sortable data grid i created there is no date field 

component descriptor:
markup://sortablegrid:sdg

File Name:
auraFW/javascript/9cP17KDqrLzgsg8CdQTfjw/aura_proddebug.js

Function:
Action.$finishAction$

Skip trace:

Action.$finishAction$()@https:/auraFW/javascript/9cP17KDqrLzgsg8CdQTfjw/aura_proddebug.js:13728:22
QueuedActionsMetricsPlugin.$actionFinishOverride$()@https:/auraFW/javascript/9cP17KDqrLzgsg8CdQTfjw/aura_proddebug.js:27804:24
Object.Aura.$Utils$.$Override$.$continuation$()@https:/auraFW/javascript/9cP17KDqrLzgsg8CdQTfjw/aura_proddebug.js:7021:20
Action.bound [as $finishAction$]()@https:/auraFW/javascript/9cP17KDqrLzgsg8CdQTfjw/aura_proddebug.js:6958:29
AuraClientService.$singleAction$()@https:/auraFW/javascript/9cP17KDqrLzgsg8CdQTfjw/aura_proddebug.js:15570:14
AuraClientService.$processResponses$()@https:/auraFW/javascript/9cP17KDqrLzgsg8CdQTfjw/aura_proddebug.js:17134:14
QueuedActionsMetricsPlugin.$actionsProcessResponses$()@https:/auraFW/javascript/9cP17KDqrLzgsg8CdQTfjw/aura_proddebug.js:27823:23

The sortable data grid i created doesn't have a date field at all