# Cgx error message - Axxx not chained and therefore not oriented

**URL:** <https://calculix.discourse.group/t/cgx-error-message-axxx-not-chained-and-therefore-not-oriented/935>\
**Category:** CalculiX GraphiX\
**Created:** [January 3, 2022, 9:05pm UTC](https://calculix.discourse.group/t/cgx-error-message-axxx-not-chained-and-therefore-not-oriented/935 "2022-01-03T21:05:26Z")\
**Posts on this page:** 8\
**Page:** 1

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**Author:** ![WilliamK](https://avatars.discourse-cdn.com/v4/letter/w/90ced4/32.png) [@WilliamK](https://calculix.discourse.group/u/WilliamK)\
**Post date:** [January 3, 2022, 9:05pm UTC](https://calculix.discourse.group/t/cgx-error-message-axxx-not-chained-and-therefore-not-oriented/935/1 "2022-01-03T21:05:27Z")

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I have a complex object that will not mesh. cgx 2.11 says that it can’t create a body. I decided to break it up into parts to overcome this. I now have 6 parts but it still fails with a message, “A006 not chained and therefore not oriented.” Because there are multiple parts, I suspect the problem is that some lines in common between parts are drawn from Pt B to Pt A, backwards from the normal node ordering but I do not know.

To attempt a solution, I have created dummy nodes, close to the other components, then created lines between the nodes and subsequently an area. Then I edited the .fbd file to change the dummy nodes to the real nodes, thus avoiding accidentally referencing a line drawn for a different part. This works but subsequently saving and reopening the .fbd file in cox causes the error to return.

I am running Ubuntu Linux v20 and cgx 2.11 is the most recent version that I can find precompiled. Any advise would be appreciated.

–William

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**Author:** ![dichtstoff](https://avatars.discourse-cdn.com/v4/letter/d/dec6dc/32.png) [@dichtstoff](https://calculix.discourse.group/u/dichtstoff)\
**Post date:** [January 3, 2022, 10:55pm UTC](https://calculix.discourse.group/t/cgx-error-message-axxx-not-chained-and-therefore-not-oriented/935/2 "2022-01-03T22:55:35Z")

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Hello,

is there a possibility to have access to the fbd file?

wbr

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<div class="post-metadata">

**Author:** ![feacluster](https://yyz2.discourse-cdn.com/free1/user_avatar/calculix.discourse.group/feacluster/32/394_2.png) [@feacluster](https://calculix.discourse.group/u/feacluster)\
**Post date:** [January 3, 2022, 11:03pm UTC](https://calculix.discourse.group/t/cgx-error-message-axxx-not-chained-and-therefore-not-oriented/935/3 "2022-01-03T23:03:36Z")

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Do you have root access on your ubuntu machine? If so , it should be fairly easy to install 2.18 . I can send you the commands.

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<div class="post-metadata">

**Author:** ![WilliamK](https://avatars.discourse-cdn.com/v4/letter/w/90ced4/32.png) [@WilliamK](https://calculix.discourse.group/u/WilliamK)\
**Post date:** [January 3, 2022, 11:06pm UTC](https://calculix.discourse.group/t/cgx-error-message-axxx-not-chained-and-therefore-not-oriented/935/4 "2022-01-03T23:06:00Z")

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Sure. Here is a link to the file on Dropbox. It is an extruded aluminum J, so thickness of each element is different.

> **[J\_Anchor2.fbd](https://www.dropbox.com/s/2t93z5kdx9q3lrg/J_Anchor2.fbd?dl=0)**
>
> Shared with Dropbox

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<div class="post-metadata">

**Author:** ![WilliamK](https://avatars.discourse-cdn.com/v4/letter/w/90ced4/32.png) [@WilliamK](https://calculix.discourse.group/u/WilliamK)\
**Post date:** [January 3, 2022, 11:07pm UTC](https://calculix.discourse.group/t/cgx-error-message-axxx-not-chained-and-therefore-not-oriented/935/5 "2022-01-03T23:07:22Z")

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Yes, I have root access. I would be happy to give the install a try.

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<div class="post-metadata">

**Author:** ![feacluster](https://yyz2.discourse-cdn.com/free1/user_avatar/calculix.discourse.group/feacluster/32/394_2.png) [@feacluster](https://calculix.discourse.group/u/feacluster)\
**Post date:** [January 3, 2022, 11:17pm UTC](https://calculix.discourse.group/t/cgx-error-message-axxx-not-chained-and-therefore-not-oriented/935/6 "2022-01-03T23:17:29Z")

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Here’s what I had to install on a Centos 8 system ( replace dnf with apt-get ):

```auto
sudo dnf install tigervnc-server
sudo dnf install xorg-x11-server-Xvfb
sudo dnf install -y ImageMagick ImageMagick-devel
sudo dnf install psutils -y
sudo dnf install gv -y
sudo dnf install gnuplot -y
sudo dnf install libXmu-devel -y
sudo dnf install libX11-devel
sudo dnf install libXi-devel -y

```

Then follow the steps here:

[http://www.dhondt.de/cgx\_2.19.INSTALL](http://www.dhondt.de/cgx_2.19.INSTALL)

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<div class="post-metadata">

**Author:** ![dichtstoff](https://avatars.discourse-cdn.com/v4/letter/d/dec6dc/32.png) [@dichtstoff](https://calculix.discourse.group/u/dichtstoff)\
**Post date:** [January 3, 2022, 11:32pm UTC](https://calculix.discourse.group/t/cgx-error-message-axxx-not-chained-and-therefore-not-oriented/935/7 "2022-01-03T23:32:50Z")

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Hello,

do want now 6 single surfaces or 6 surfaces with common lines and nodes?

wbr

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<div class="post-metadata">

**Author:** ![WilliamK](https://avatars.discourse-cdn.com/v4/letter/w/90ced4/32.png) [@WilliamK](https://calculix.discourse.group/u/WilliamK)\
**Post date:** [January 4, 2022, 6:38am UTC](https://calculix.discourse.group/t/cgx-error-message-axxx-not-chained-and-therefore-not-oriented/935/8 "2022-01-04T06:38:01Z")

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Thanks! I will give it a try.