Please help, the tool is not funcational at all!
I can't run the test suite now. RSAT can no longer see DevOps projects. I've tried uninstalling and reinstalling, but that didn't work. I checked my access token, and that has not expired. I checked the URL, and that is fine. I'm getting the same error on my local machine and my VM:

Newtonsoft.Json.JsonReaderException: Unexpected character encountered while parsing value: A. Path '', line 0, position 0.
at Newtonsoft.Json.JsonTextReader.ParseValue()
at Newtonsoft.Json.JsonTextReader.Read()
at Newtonsoft.Json.Linq.JObject.Load(JsonReader reader, JsonLoadSettings settings)
at Newtonsoft.Json.Linq.JObject.Parse(String json, JsonLoadSettings settings)
at Microsoft.Dynamics.RegressionSuite.Exceptions.RegressionSuiteVstsHttpException.d__0.MoveNext() in D:\a\1\s\Business Process Test Tool\TaskRecordingRegressionTool\RegressionSuite\Exceptions\RegressionSuiteVstsHttpException.cs:line 17
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at System.Runtime.CompilerServices.TaskAwaiter`1.GetResult()
at Microsoft.Dynamics.RegressionSuite.VsoRouter.d__50`1.MoveNext() in D:\a\1\s\Business Process Test Tool\TaskRecordingRegressionTool\RegressionSuite\Services\VsoRouter.cs:line 320
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at Microsoft.Dynamics.RegressionSuite.VsoRouter.d__85.MoveNext() in D:\a\1\s\Business Process Test Tool\TaskRecordingRegressionTool\RegressionSuite\Services\VsoRouter.cs:line 1282
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at System.Runtime.CompilerServices.TaskAwaiter.ValidateEnd(Task task)
at Microsoft.Dynamics.RegressionSuite.WindowsApp.SettingsForm.d__16.MoveNext() in D:\a\1\s\Business Process Test Tool\TaskRecordingRegressionTool\RegressionSuiteWindowsApp\SettingsForm.cs:line 134