Added fail-safe

app/src/main/java/eu/faircode/email/WorkerDailyRules.java

@@ -68,7 +68,8 @@ public class WorkerDailyRules extends Worker {
 
                     int count = 0;
                     List<Long> mids = db.message().getMessageIdsByFolder(folder.id);
-                    for (long mid : mids) {
+                    for (long mid : mids)
+                        try {
                             EntityMessage message = db.message().getMessage(mid);
                             if (message == null)
                                 continue;
@@ -94,6 +95,8 @@ public class WorkerDailyRules extends Worker {
                                     if (rule.stop)
                                         break;
                                 }
+                        } catch (Throwable ex) {
+                            Log.e(ex);
                         }
 
                     EntityLog.log(context, EntityLog.Type.Rules, folder,