I DON'T HOW TO fix it

Anonymous · ‎02-02-2020

MostafaElashmawy · ‎02-03-2020

This may happen for several reasons.

Make sure that you are working with the latest Revit version

You can also check which action caused this error and try to rectify it. You can share here what happens before the error appears and we can help.

Mostafa Elashmawy
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ennujozlagam · ‎02-03-2020

you can try to refer to this LINK and see if helps. thanks

Remember : without the difficult times in your LIFE, you wouldn't be who you are today. Be grateful for the good and the bad. ANGER doesn't solve anything. It builds nothing, but it can destroy everything...
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Sam.Baker-GAL · ‎02-04-2020

A bit more info would be helpful, there are a bunch of things that could cause this...

I think the most common cause of that error that I've had experience with was down to the Site Designer plug-in, older versions can cause issues. Check if you've got it installed and check if it's updated, or alternatively remove it.

martijn_pater · ‎02-04-2020

You should audit the file when opening the project (regularly).

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I DON'T HOW TO fix it

I DON'T HOW TO fix it

I DON'T HOW TO fix it