null is not an error

it works now 🎉

app/src/main/java/eu/m724/vastapp/activity/dashboard/DashboardActivity.kt

@@ -52,6 +52,7 @@ class DashboardActivity : ComponentActivity() {
         lifecycleScope.launch {
             repeatOnLifecycle(Lifecycle.State.STARTED) {
                 dashboardViewModel.refreshError.collect {
+                    if (it != null)
                         Toast.makeText(baseContext, it, Toast.LENGTH_SHORT).show()
                 } // TODO any better way?
             }