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Error: CDR: invalid argument [1]: wrong type [not a pair];Error Object: #f

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Old   August 27, 2014, 09:16
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Florin Gheorghe
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I had the same problem; it appeared after I have renamed a monitor I created earlier; after deleting the monitors this error disappeared.
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Old   November 11, 2014, 22:22
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OMG, it works when I restart! lol
thanks, Learner.

Last edited by jsmloveu; November 11, 2014 at 22:30. Reason: wrighting reason
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Old   April 8, 2015, 18:42
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Quote:
Originally Posted by Tank View Post
I was receiving the same error message:

I solved this by deleting all my monitors. It also disappeared when I gave each monitor its own window.

So perhaps save your case and delete all your monitors to determine if this is the source of your problem?

Hope this helped!
I solved this problem the same way. However, I found that it was only two of my monitors which were causing the issue (I applied the process of elimination). I deleted and then redefined those monitors, after which the problem disappeared.
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Old   June 23, 2015, 02:07
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Quote:
Originally Posted by caitoc View Post
Hi all,
I had this problem too during my fluent modelling in ansys workbench.

My solution is simple: reset the "Setup", open the fluent and now you should not encounter this error anymore
Thanks caitoc
I had the same problem and it works by resetting the solution setup
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Old   October 25, 2015, 14:40
Default cdr: invalid argument [1]: wrong type [not a pair] Error object: #f
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I recently encountered this problem while running fluent 15.0 and determined it was caused by my convergence monitors.

More specifically, the iterations to ignore appear to be have been the root cause; when set to ignore the first 500 iterations the solution always threw this error once the solution reached and attempted to exceed 500 iterations. Once the convergence monitors were removed, problem no longer persisted.

SOLUTION:

Remove/Replace convergence monitors (see iterations to ignore).
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Old   March 16, 2016, 11:36
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Quote:
Originally Posted by Tank View Post
I was receiving the same error message:

I solved this by deleting all my monitors. It also disappeared when I gave each monitor its own window.

So perhaps save your case and delete all your monitors to determine if this is the source of your problem?

Hope this helped!
Thanks Tank!
I just solved my problem as you said, deleting all monitors. A detail is that you can't delete residual monitors, but it is fine anyway.
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Old   August 17, 2016, 18:27
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Quote:
Originally Posted by Perseu View Post
Hi,

I have used the Fluent for simulation of wave generation in a tank (piston wave maker), but I have a problem when use a function "autosave". During the simulation, with many iterations (more 80.000), I saved the case and data through function autosave. However, when lack the electricity or when I cancel for a time and close the program for to begin again, occur the error:

Error: CDR: invalid argument [1]: wrong type [not a pair]
Error Object: #f

Please, someone can help me?

Thanks

Perseu




i found the problem on my side. If you have zero for inlet BC, then you will get this error. I am using a journal file and set the velocities there, but thought i could leave the inlet BCs as zero. Nope.
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Old   October 31, 2016, 07:06
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i face to this error when i decided to active nist real gas.
any idea how to fix it ?
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Old   January 16, 2017, 11:58
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Just giving it a break seems to help. Try stopping the simulation, then restarting it after a while
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Old   July 4, 2019, 20:01
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it is old but the solution is that some file isn't correctly loaded. Try refresh upstream components , or if you are trying to open the solution open and close first the setup before to fix the problem.
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Old   September 7, 2020, 11:55
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Hey everybody,

just want to confirm what Tank said. Removing my monitors and reports solved the problem. Interesting. However, I needed to load the data create from 20 R2 into 20 R1 as I need to export the data for ParaView and for some reasons the 20 R2 version does not work.

Probably there is a change in the file which needs to be incorporated into the ParaView reader first.
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Old   July 7, 2021, 05:31
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I also have not found a better way than to delete and create the reports again.


Quote:
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Removing my monitors and reports solved the problem.
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Old   July 7, 2021, 08:53
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Fortunately I am going back to OpenFOAM. Fluent has some very interesting features I miss in FOAM but the GUI is so buggy in my personal opinion. It crashes several times each day.
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Old   July 13, 2021, 07:02
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I solved the problem based on the following situation: I opened the 2021 version of the fluent case with the 2020 version of fluent, and the error occurred, and the problem can be solved by recreating the case.
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