can u pls migrate the account to new system P76929 , getting below error.

User user = smartConnect.generateSession("P76929", "************");

"sourceID":"WEB","clientPublicIP":"xx.xx.xx.xx","macAddress":"aa-aa-aa-aa-aa","userType":"USER","clientLocalIP":"127.0.1.1","accept":"application/json"}***************************
{"data":null,"message":"YOUR USER ID OR PASSWORD IS INVALID","errorcode":"AB1007","status":false}JSONObject["data"] is not a JSONObject.
Exception: null
java.lang.NullPointerException