# Error ParaView
**URL:** https://discourse.paraview.org/t/error-paraview/3392
**Category:** ParaView Support
**Created:** [January 23, 2020, 7:02pm UTC](https://discourse.paraview.org/t/error-paraview/3392 "2020-01-23T19:02:24Z")
**Posts on this page:** 8
**Page:** 1
### Author:  [@gss416](https://discourse.paraview.org/u/gss416)
#### Post date: [January 23, 2020, 7:02pm UTC](https://discourse.paraview.org/t/error-paraview/3392/1 "2020-01-23T19:02:24Z")
Hi, when I open the results of calculating the heating of paraview, I get an error:
ERROR: In C:\bbd\cf096d1e\build\superbuild\paraview\src\VTK\IO\XML\vtkXMLReader.cxx, line 299
vtkXMLUnstructuredGridReader (00000210BBEAA6B0): Error opening file C:/v2/Mesh\_1/Mesh\_1/transient\_v20001.vtu
ERROR: In C:\bbd\cf096d1e\build\superbuild\paraview\src\VTK\Common\ExecutionModel\vtkExecutive.cxx, line 782
vtkCompositeDataPipeline (00000210BBAC2920): Algorithm vtkXMLUnstructuredGridReader(00000210BBEAA6B0) returned failure for request: vtkInformation (00000210BC250850)
Debug: Off
Modified Time: 278417
Reference Count: 1
Registered Events: (none)
Request: REQUEST\_INFORMATION
FORWARD\_DIRECTION: 0
ALGORITHM\_AFTER\_FORWARD: 1
What is the problem? What can i do?
Help me, please!
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### Author:  [@wascott](https://discourse.paraview.org/u/wascott)
#### Post date: [January 23, 2020, 8:29pm UTC](https://discourse.paraview.org/t/error-paraview/3392/2 "2020-01-23T20:29:53Z")
Yury, Welcome to the Paraview community!
Please post the dataset. It’s hard to figure out without it!
Also, did you build this version of ParaView? If so, try using a [paraview.org](http://paraview.org) download.
What version of paraView is this?
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### Author:  [@gss416](https://discourse.paraview.org/u/gss416)
#### Post date: [January 24, 2020, 3:32am UTC](https://discourse.paraview.org/t/error-paraview/3392/3 "2020-01-24T03:32:35Z")
I simulate non-stationary temperature heating of concrete. I use a bunch of Salome version 9.4.0 to create a grid. ElmerFem as a solver. And Paraview to view and analyze the calculation results. ElmerFem calculates without error. And when reading the results in Paraview, an error occurs at startup. Paraview Version 5.7.0.
[v1.rar](https://discourse.paraview.org/uploads/short-url/asHZynVacDut0ohvr8MuKldHMel.rar) (80.8 KB)
The application is one of the tasks. An error always occurs. In this case, individual iterations are read (.vtu file), and the general file cannot be read - a designated error (.pvd file)
Thanks you!
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### Author:  [@mwestphal](https://discourse.paraview.org/u/mwestphal)
#### Post date: [January 24, 2020, 4:05am UTC](https://discourse.paraview.org/t/error-paraview/3392/4 "2020-01-24T04:05:24Z")
There is a typo in your .pvd file. Rename `Mesh_2` into `mesh_2`.
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### Author:  [@gss416](https://discourse.paraview.org/u/gss416)
#### Post date: [January 26, 2020, 1:51pm UTC](https://discourse.paraview.org/t/error-paraview/3392/5 "2020-01-26T13:51:03Z")
Thanks you!
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### Author:  [@spy](https://discourse.paraview.org/u/spy)
#### Post date: [October 24, 2021, 10:06pm UTC](https://discourse.paraview.org/t/error-paraview/3392/6 "2021-10-24T22:06:19Z")
> [@gss416](#):
>
> > [@](#):
> >
> > There is a typo in your .pvd file. Rename Mesh\_2 into mesh\_2.
where is this .pvd file located usually? I am trying to run the following simulation:
OpenFOAM/OpenFOAM-v2012/applications/solvers/multiphase/icoReactingMultiphaseInterFoam/
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### Author:  [@mwestphal](https://discourse.paraview.org/u/mwestphal)
#### Post date: [October 25, 2021, 7:34am UTC](https://discourse.paraview.org/t/error-paraview/3392/7 "2021-10-25T07:34:38Z")
Unrelated, please open your own topic.
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### Author:  [@mwestphal](https://discourse.paraview.org/u/mwestphal)
#### Post date: [October 25, 2021, 7:34am UTC](https://discourse.paraview.org/t/error-paraview/3392/8 "2021-10-25T07:34:40Z")