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Substance to blender plugin error when loading material

Community Beginner ,
Dec 14, 2022 Dec 14, 2022

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2022-12-14_145014.pngexpand image

 

I just installed the plugin from substance 3D to blender. I loaded a material, but then it says "(error)", I can't apply it to any object.

 

The object is UV-unwrapped, but the way it looks is like it doesn't matter what the object looks like, it's an error from loading the material.

 

Does anyone know what could be the problem?

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Blender , Bugs & Crashes , Question

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correct answers 2 Correct answers

Community Expert , Jan 15, 2023 Jan 15, 2023

not needed!

simply update the official plug-ins by adding k30n1 changes from above to the official plug-ins:

 

Blender changed an internal Python API - here's what I edited to get the plugin v1.0.1 working with Blender 3.4.

 

In the addon file 3.4/scripts/addons/Substance3DInBlender/material/manager.py use a plain text editor (better to use Brackets or Visual Studio Code for this!) to comment out these lines (prefix with '#') a couple lines after "Initialize shader sockets" to disable the crashi

...

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Explorer , Jan 16, 2023 Jan 16, 2023

Here's the updated manager.py from this morning, that includes the second fix for the Duplicate button (lines 473 area), it is the same as the one posted in this thread. Apologies for the confusing interplay between threads.

 

If you do not use the Duplicate button in the plugin then there is no need to use this version, as I understand it. 

 

Glad to hear the patch is working for people!

 

 

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Explorer ,
Dec 17, 2022 Dec 17, 2022

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Blender changed an internal Python API - here's what I edited to get the plugin v1.0.1 working with Blender 3.4.

 

In the addon file 3.4/scripts/addons/Substance3DInBlender/material.py use a plain text editor to comment out these lines (prefix with '#') a couple lines after "Initialize shader sockets" to disable the crashing code, as shown:

 

                    # if _socket["source"] == "input" and _socket["name"] not in _items[_socket["id"]].inputs:
                    #     _items[_socket["id"]].inputs.new(_socket["type"], _socket["name"])
                    # elif _socket["source"] == "output" and _socket["name"] not in _items[_socket["id"]].outputs:
                    #     _items[_socket["id"]].outputs.new(_socket["type"], _socket["name"])

 

 

After those lines, put this alternate code that uses the preferred method from the developer site:

 

                    grptree = _sbs_group.node_tree
                    if _socket["source"] == "input" and _socket["name"] not in grptree.inputs:
                        grptree.inputs.new(_socket["type"], _socket["name"])
                    elif _socket["source"] == "output" and _socket["name"] not in grptree.outputs:
                        grptree.outputs.new(_socket["type"], _socket["name"])

 

 

Note that python is very sensitive to indentation! The new code should be very similar in indentation to the original version of the old code.

 

Your mileage may vary and this may not be a fully correct solution, but this seems to have fixed the plugin crash for me that started with Blender 3.4. Hope it helps!

 

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Explorer ,
Dec 17, 2022 Dec 17, 2022

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Correction! this is in the file

 

3.4/scripts/addons/Substance3DInBlender/material/manager.py

 

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Explorer ,
Dec 17, 2022 Dec 17, 2022

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Given the indentation sensitivity and that a user who attempted the patch likely caused a broken plugin after editing the code, I'm attaching the modified manager.py from plugin version 1.0.1 as a text file. Move the original file aside to a backup location, and rename this one from manager.py.txt to manager.py as its replacement. Changes are at lines 191-201, per the above recipe. As I understand it, offering this alternate edited file is consistent with GPL license - if not, I will take it down or forum managers are welcome to.

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Community Beginner ,
Jan 13, 2023 Jan 13, 2023

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thank you very much however by unzipping Substance3d 1.0.1 to replace and Re zipp it in which folder you replace your manager.py, in the material folder? as there is few material.py on different folder once you search for it.?

unless you do it in a different way in that case any steps or guidance to properly replace it.

I have issue on 3.4.1 blender version as my sbsar apply as Black on the cube or the sphere once applied the 1.01. and toolkit 1.4.5

thank you 

 

 

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Community Expert ,
Jan 15, 2023 Jan 15, 2023

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C:\Users\USERNAME\AppData\Roaming\Blender Foundation\Blender\3.4\scripts\addons\Substance3DInBlender\material\

 

Macintosh-HD/User/USRENAME/Library/Application Support/Blender/3.4/scripts/addons/Substance3DInBlender/material/

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Community Expert ,
Jan 15, 2023 Jan 15, 2023

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you are not supposed to unzip!

Install both and then change the installed files on your harddrive!

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Community Beginner ,
Jan 16, 2023 Jan 16, 2023

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Revolved from copying and pasting the patch on 3.4.1

1.0.1 substance and 1.4.5 toolkit (windows 10) what a work around

works like a charm

 

thank you very much

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Community Expert ,
Jan 15, 2023 Jan 15, 2023

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and 2nd one in line 473-476

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Explorer ,
Jan 16, 2023 Jan 16, 2023

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Here's the updated manager.py from this morning, that includes the second fix for the Duplicate button (lines 473 area), it is the same as the one posted in this thread. Apologies for the confusing interplay between threads.

 

If you do not use the Duplicate button in the plugin then there is no need to use this version, as I understand it. 

 

Glad to hear the patch is working for people!

 

 

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New Here ,
Dec 18, 2022 Dec 18, 2022

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Thank you so much. Saved me from near madness with this!

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Adobe Employee ,
Jan 12, 2023 Jan 12, 2023

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Hi,

We will be pushing an official update soon on the Substance website for this issue.

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Adobe Employee ,
Jan 12, 2023 Jan 12, 2023

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Hi,

What version of Blender are you using? Also, is there any information on the Blender console/terminal that you could share with us? 

To view the console, go to the Windows menu -> Click on Toggle system console
For Mac: https://blender.stackexchange.com/questions/2078/how-to-use-blender-command-lines-in-osx 

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Community Expert ,
Jan 15, 2023 Jan 15, 2023

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Hi Shwetha,

I can confirm this bug on both machines Win10 and macOS 12.6.2 an error appears when trying to load any material into the Substance Panel.

Blender add-on is working well with Blender 3.3 but thows back an error in 3.4 (win & mac).

Actual workaround is reinstalling Blender 3.3 or using the code change mentioned above.

 

 

 

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Community Expert ,
Jan 15, 2023 Jan 15, 2023

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not needed!

simply update the official plug-ins by adding k30n1 changes from above to the official plug-ins:

 

Blender changed an internal Python API - here's what I edited to get the plugin v1.0.1 working with Blender 3.4.

 

In the addon file 3.4/scripts/addons/Substance3DInBlender/material/manager.py use a plain text editor (better to use Brackets or Visual Studio Code for this!) to comment out these lines (prefix with '#') a couple lines after "Initialize shader sockets" to disable the crashing code, as shown:

 

                    # if _socket["source"] == "input" and _socket["name"] not in _items[_socket["id"]].inputs:
                    #     _items[_socket["id"]].inputs.new(_socket["type"], _socket["name"])
                    # elif _socket["source"] == "output" and _socket["name"] not in _items[_socket["id"]].outputs:
                    #     _items[_socket["id"]].outputs.new(_socket["type"], _socket["name"])

 

 

After those lines, put this alternate code that uses the preferred method from the developer site:

 

                    grptree = _sbs_group.node_tree
                    if _socket["source"] == "input" and _socket["name"] not in grptree.inputs:
                        grptree.inputs.new(_socket["type"], _socket["name"])
                    elif _socket["source"] == "output" and _socket["name"] not in grptree.outputs:
                        grptree.outputs.new(_socket["type"], _socket["name"])

 

 

Note that python is very sensitive to indentation! The new code should be very similar in indentation to the original version of the old code.

 

Your mileage may vary and this may not be a fully correct solution, but this seems to have fixed the plugin crash for me that started with Blender 3.4. Hope it helps!

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Adobe Employee ,
Jan 17, 2023 Jan 17, 2023

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Got it. We will be pushing an official update soon on the Substance website for this issue. 

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Community Beginner ,
Jul 02, 2024 Jul 02, 2024

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please can you fix it,it is not fixed yet in blender 3.3 and i dont know how to do the stuff the guy above said

 

 

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Community Beginner ,
Jul 02, 2024 Jul 02, 2024

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my material is still black 

 

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Community Expert ,
Jul 02, 2024 Jul 02, 2024

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The current version of Blender is 4.1.1 please update!

This fix was rewritten for Blender 3.6 for earlier versions search for the earlier versions of the plugin as well (1.4.5).

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Adobe Employee ,
Jul 08, 2024 Jul 08, 2024

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Hi @Extreme38383757zyde , updating is the correct answer here.
There were major python changes to Blender around the time of 3.6 which broke the add-on, so we updated to support those changes going forward. We try to support as many recent versions of software as possible, but 3.3 may no longer be compatible due to those changes. If you're still seeing the issue in Blender 4.1, please share what your console log says when you run into the error and we can help you troubleshoot from there.

Best,
Aldo

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Community Beginner ,
Jul 22, 2024 Jul 22, 2024

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wow,thank you so much for replying,i didnt expect a reply so thank you.But unfortunatley the latest version of Blender my computer can run is version 3.3 ðŸ˜­.I am very sad because there was a particular material that was perfect for my model in the community assests and the only way to import it into blender was via this addon.I still greatly appreciate you for replying,have a nice rest of yourday.

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Participant ,
Aug 05, 2024 Aug 05, 2024

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We are sorry to hear that. We hope you can update your Blender version someday and get to use the latest plugin.

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