I'm running into this same issue. I've tried the solutions provided above, but none work. vers. 5.2.1
From what I can tell, it's specific to Postman, as I have to rely on Fiddler to actually see the response coming back from our app.
Here's the response, captured by fiddler, that isn't displayed in Postman. Maybe something sticks out...
Re: HELP, method or data member not found Iya benar, kemungkinan besar itu hilang file dbMaster.mdb nya « Return to Visual basic 6 (Classic) 1 view %1 views. Cara membuat database sqlite pada eclipse di aplikasi android, cara membuat SQLite database di aplikasi android-disini, cara membuat SQLite database pada Eclipse di Android, Tools cara membuat SLite database di Pemrogramman Android, Tools cara SQLite database pada Andorid-Cepat, SQLite manager di Eclipse dengan Android, Trik mengelola database di Android dengan SQLite, cara mudah.
HTTP/1.1 200 OK
Cache-Control: no-store, no-cache, max-age=0, private
Pragma: no-cache
Content-Length: 1119
Content-Type: application/json; charset=utf-8
Server: Microsoft-IIS/10.0
X-Powered-By: ASP.NET
Date: Wed, 04 Oct 2017 21:16:04 GMT
Connection: close
{'access_token':'eyJ0eXAiOiJKV1QiLCJhbGciOiJTUzI1NiIsIng1dCI6ImEzck1VZ01Gdjl0UGNsTGE2eUYzekFrZnF1RSIsImtpZCI6ImEzck1VZ01Gdjl0UGNsTGE2eUYzekFrZnF1RSJ9.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.J6-rpO3-BLkFHuT8TH-CUasJj5levZzVMH1yYYw5mx35-GreIZbK9aL13K21clbvbQjeSbnMknHRLe5agSA7OkBiMU3hL8cNj20tjGBAkjbcwanPBiKefcC9YWtX7HHFAoZlckjFXx02e_V8jNdKOmOIaFW6-mfYNSWaKi1umGGnhyelkQ4la3dXq3nyD17rshv6BMH5fAS3r2K0TI7iZRwmV-1ZjaFKl10EgFAkIgiCSh-J18eP8O72I5we9CDO5ZHFxjKbsRWpfvuvViOEV1TihXhJYU2XJpW3DEU_pRuPR7fly0Hhvbjyj3HVdEPmV3_80gojtWUlbjEnLmqSxA','expires_in':7200,'token_type':'Bearer'}