Only Android: Uncaught (in promise): Error: Cannot convert number to Ljava/lang/String; at index 1 #249

JS: ERROR Error: Uncaught (in promise): Error: Cannot convert number to Ljava/lang/String; at index 1
JS: Error: Cannot convert number to Ljava/lang/String; at index 1
JS: at getMultipartRequest (file:///node_modules/nativescript-background-http/background-http.js:261:0)
JS: at Function.push.../node_modules/nativescript-background-http/background-http.js.Task.createMultiPart (file:///node_modules/nativescript-background-http/background-http.js:162:0)
JS: at Session.push.../node_modules/nativescript-background-http/background-http.js.Session.multipartUpload (file:///node_modules/nativescript-background-http/background-http.js:132:0)
JS: at file:///src/app/services/rest/rest.service.ts:232:25
JS: at new ZoneAwarePromise (file:///node_modules/nativescript-angular/zone-js/dist/zone-nativescript.js:902:0)