Join Paul F. Aubin for an in-depth discussion in this video Understanding Revit warnings, part of Revit: Tips, Tricks, and Troubleshooting.
- [Instructor] Revit communicates with us in a variety of ways and there are messages that can appear on screen or in parts of the interface and we really want to be paying attention to these messages, because they give us really useful information to help us do our jobs better. So what I want to do in this video is go through a series of messages that we get from Revit and focus mainly on the warning messages that appear and talk about ways that you can respond to them and deal with them. So let me start, before getting into the warnings, with just the simplest form of message that Revit uses to communicate with us, and that is the status bar.
So the status bar is not a warning, but it is a way that Revit will communicate and tell us information that it thinks is important. So right now I'm not doing anything, so my status bar says Click to select, TAB for alternates, CTRL adds, SHIFT unselects. This is just basically telling me, Hey, maybe you want to select something. If my mouse is hovering over an element instead, like this wall, then the message changes to tell me about that Wall element, or about this Door element, or about this Dimension element. So it's just trying to keep up with whatever I'm doing.
If I happen to be in the middle of a command then it would tell me what I could do next, like Click to enter the wall start point, for example. So that's our status bar messages. The next series of communications that I want to talk to you about is the warning messages. So the first one is probably the least severe. So I'm going to demonstrate that now by taking this Wall command that I've started and I'm going to draw a wall directly on top of one of my existing walls. Now when I do that the walls will highlight in orange, so it's a little ominous, it's kind of letting me know, hey, there's something wrong here.
And instead of the status bar message displaying anything about the warning if you look over on the right hand side instead we now have this little yellow tinted background message that appears in the corner. The trouble with these messages is you can miss them easily if you're just clicking around and you didn't pay attention. And that's exactly the point. These messages, I like to think of them kind of like a whisper, like somebody tapping on your shoulder and saying, Hey, just so you know. So if you just click anywhere that message goes away, it's already gone. Now let me bring it back again by clicking a second point for this wall, and then I'll double back and click again right on top of itself to generate a second warning.
And then this time let's actually look at what the messages says. It's telling me Highlighted walls overlap. One of them might be ignored when we find Rooms. And you can use the Cut Geometry to embed one wall within another. So that's kind of an interesting comment there, it's actually giving us a potential remedy. But just the same, if I wanted to click the Modify tool to cancel out of the command and click anywhere I can just dismiss that warning without paying any attention to it and without following the suggested remedy. Now I really want to point out that just because you ignored the warning doesn't mean it went away.
So more on that to come in just a few moments, but let's move onto the next kind of warning. The next kind of warning is what we call an ignorable warning. It's a warning that you can choose to ignore, but it's maybe a little bit more severe. So I'm going to go to the Room command here and as you can see I already have a Room, Room 101, but I'm going to come over here and place a second Room, Room 102, within the same enclosed space. Now I get a little bit more severe warning this time, it looks a little bit more official, there's a lot more words in the error message.
It's telling me Multiple Rooms are in the same region and one of them might be considered redundant, et cetera, but what's important here is above that message it says Warning can be ignored, and then at the bottom of this message there are three buttons, Delete Rooms, OK, and Cancel. So you're always going to have a Cancel button. This is your escape hatch if oh, I changed my mind, let me not do that, you just click Cancel, but Delete Rooms and OK are two potential ways to deal with this situation.
So you can ignore it by clicking OK. If I click OK I'm saying yeah, yeah Revit, don't worry about it, I know what I'm doing. That doesn't change the situation that led to the warning. You still have a redundant Room and two Rooms in the same enclosed space. So let me cancel out of this command. The other option was delete the redundant Room. So you could actually delete the Room and deal with the problem right then and there if you chose to do so. Let's move onto the third kind of warning. And the third kind of warning is a little bit more severe, because when you trigger one of these warnings the OK button will be grayed out, in other words, you will not be able to choose to ignore it.
So you'll have to deal with the problem. And I've got a really simple example queued up for you here. Right here I've got a 20 foot dimension that is locked, right next to that I have an equality dimension, that's another kind of constraint. So these three doors are equal to one another and the one at the end is locked at 20 feet off of this wall. I've got this third dimension down here, which is currently not locked or equal. I'm going to toggle on the equality. Now when I try to do that it'll try and move the doors up above, moving the doors up above will try to flex the 20 foot dimension, when it tries to flex the 20 foot dimension it will run into the locked constraint and cause an error.
What this is saying is very simply your constraints are not satisfied. It's kind of like a game of tug of war. You've got one team pulling in one direction, the other team pulling in the other direction, and eventually somebody gives out and wins and the other team loses. Well, that's the same thing going on here. What Revit is essentially saying is you can't both keep this dimension locked and keep this other one equal, something's got to give. Now if you look down here you'll see it cannot be ignored here and right here the OK button is grayed out. You could Cancel, changed my mind, don't do that, or you could Remove the Constraints.
They're offering you that remedy. The trouble with the remedies they offer in these dialogs is often it doesn't actually offer you the remedy you want. Like here you can see it's going to break the 20 foot lock dimension, it's not offering me the option to break the equal, equal. It doesn't give us that choice at all. So we're kind of at Revit's mercy there. So if you wanted to do it one way or the other you might have to click Cancel first, manually unlock this yourself, and then try again. Or manually toggle off the equality and then try it again.
The point is when you get one of those warnings that the OK button is grayed out you have to deal with it right then and there. Now let's circle back to the warnings you ignored. And I've got a couple walls right here and I've got these Rooms over here. Now the Rooms, if you recall, it said when I select this Room one of them would calculate the area and the other one would be listed as a Redundant Room, and we're seeing that very plainly right here. If you select either one of these Rooms that's currently participating in this problem a Show Related Warnings button will appear on your ribbon.
So even though you clicked OK and ignored the warning it's still there, it's still part of your project, and those things pile up over time. So if I click this button it will highlight both of the offending objects, it will redisplay the original warning that you dismissed when you clicked OK, and then if you expand the warning further you can actually see each of the objects that are participating in the problem. Now once again, there are remedies offered here in the dialog, and in some cases it might be appropriate to choose them. Like you could check one of these and say Delete that Room.
So you get a little more control that way. The trouble with deleting a Room is it'll actually generate yet another message. So if I say Delete the Checked object you'll get this message saying, well, you've deleted a Room from the model, but it still exists in the project. Bottom line is the only way you can delete a Room from a project is to actually go to a schedule. So I'm not going to do that right now, and in fact I'm just going to undo that. Let's consider the next warning that we have over here. In addition to being able to select the object and see this Show Related Warnings you also have a master warnings dialog that you can go to to see all of the warnings that are unresolved in a project.
And you can get there by going to the Manage tab on the Inquiry panel and clicking on the Warnings button. Now if that Warnings button is grayed out, congratulations, because that's where everybody wants to be. If you have no warnings in your project that's awesome. But don't become obsessed here either. Some warnings are relatively benign. So with experience you'll start to learn which warnings are more detrimental than the others. And if you open up this dialog and you've got hundreds or thousands of warnings then that's probably what's contributing to the incredibly slow save times that you're experiencing in your project. In other words, have a lot of unresolved warnings can really hurt performance.
So you definitely want to go in here on a regular basis and kind of clean things up. But anyway let's look at the Highlighted walls overlap warning. You remember, there was actually two of those. So if you expand it, well there you go, there's Warning 2 and here's Warning 3. And if you expand further those are the individual Walls that are participating in each warning. And now this is a little different than a Room, because you can actually select the offending object, check it, and say Delete Checked, and that object is gone now. You don't have to go to a schedule to delete a wall. You've actually deleted the wall.
However, deleting isn't the only way to deal with the problem. So sometimes you go to the Warnings dialog to see that there is a problem, then you come back into the model and you fix it in some other way. Like, for example, just moving this wall might be all I really need to do, or using that Cut Geometry like the original message told us that we could do. In either case if I go back to the Warnings dialog notice that the walls overlap warning is no longer there, because we've resolved both of them satisfactory. In one case we deleted the extra wall, the other case we moved the wall out of the way, and in both cases we no longer have a problem.
So definitely get in the habit of reading the warnings when they occur and trying to deal with them right then and there. If you do ignore a warning try to get in the habit of not letting them pile up indefinitely, because over time it will really start to affect performance. So get in the habit of checking your warnings every so often and seeing what you can do to clean them out and your projects will perform much better.
NOTE: The exercise files for this course can only be opened in the most recent version of Revit (Revit 2017).
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