Cannot call method 'getTime' of null

[romulus2012]

Hi,

I'm trying to integrate sencha io to my existing project, but when try to add a record in store i get this errors :

(i followed the code existing in the app todo example)

ERROR: Ext.io.data.Proxy.sync: Exception thrown during synchronizationLogger.js:132
ERROR: 
TypeError


 Logger.js:132
ERROR: TypeError: Cannot call method 'getTime' of null    at [object Object].setRecord (http://localhost/sencha-work/pharmap...3271139:439:44)    at [object Object].<anonymous> (http://localhost/sencha-work/pharmap...03271139:70:18)    at Array.forEach (native)    at [object Object].create (http://localhost/sencha-work/pharmap...03271139:68:17)    at [object Object].commit (http://localhost/sencha-work/pharmap...3271311:228:20)    at [object Object].<anonymous> (http://localhost/sencha-work/pharmap...03271139:87:15)    at [object Object].<anonymous> (http://localhost/sencha-work/pharmap...03271311:41:22)    at [object Object].getCSIndex (http://localhost/sencha-work/pharmap...3271139:262:18)    at new <anonymous> (http://localhost/sencha-work/pharmap...03271311:38:20)    at [object Object].self (http://localhost/sencha-work/pharmap...uch.js:4954:45) Logger.js:132
[COLOR=red !important]Uncaught TypeError: Cannot call method 'getTime' of null [/COLOR]

Thanks.

[romulus2012]

Ok, i found the error. I have a Date field in my model and i leave it empty.