Mobile app unable to connect to server

Symptoms

Type: Terrasoft.SyncException%0D%0AMessage: Unable to connect to server

Probable causes:
- Could not connect to internet
- Server unavailable
- Incorrect server address%0D%0A%0D%0AТип: Terrasoft.ServerException%0D%0AMessage: Server request returned an error%0D%0AAdditional information: %0D%0A%09{"request":{"id":1,"xhr":{"statusText":"","status":0,"response":"","responseType":"","responseXML":null,"responseText":"","upload":{"onprogress":null,"onloadstart":null,"onloadend":null,"onload":null,"onerror":null,"onabort":null},"withCredentials":false,"readyState":0,"timeout":0,"onreadystatechange":null,"ontimeout":null,"onprogress":null,"onloadstart":null,"onloadend":null,"onload":null,"onerror":null,"onabort":null},"headers":{"X-Terrasoft-Mobile":"true","Accept":"application/json","Content-Type":"application/json","Authorization":"Cookie","X-Requested-With":"XMLHttpRequest"},"options":{"url":"https://xxxxxx.xxxxx.xxxxx/0/Services/ProfileService.asmx/Logout","method":"POST","jsonData":{"customData":"","doLogout":"true"},"headers":{"X-Terrasoft-Mobile":"true","Accept":"application/json","Content-Type":"application/json","Authorization":"Cookie"},"disableCaching":false,"scope":{"initialConfig":{"url":"https://xxxxxx.xxxxx.xxxxx/0/Services/ProfileService.asmx/Logout","method":"POST","jsonData":{"customData":"","doLogout":"true"},"headers":{"X-Terrasoft-Mobile":"true","Accept":"application/json","Content-Type":"application/json","Authorization":"Cookie"},"disableCaching":false},"performanceCounter":{"startDate":"2015-05-25T15:54:03.446Z"}}},"async":true,"timedout":true},"requestId":1,"status":0,"statusText":"communication failure","timedout":true}%0D%0A%0D%0A 

Cause

1. No internet
2. Invalid website address
3. Site unavailable

Solution

Ensure all connection conditions are met and re-login.