Can't use namespace 'TMPro' with the TextMeshPro Package (2018.2.0f2)

Question

Hello, I'm having a problem with the Text Mesh Pro package.

Whenever I try to use the namespace 'TMPro' in Unity 2018.2.0f2, it says that the namespace doesn't exist. And when I try to open the TextMeshProUGUI.cs in the solution explorer, it says that the file doesn't exist neither.

However if it did compile in a previous version (2018.1.0f2) and it works fine, but I can't modify the script in my current version. Could this be a bug?

Namespace Error: alt text Solution Explorer:

Answer 1

Best Answer

Answer by TomiWolf · Jul 16, 2018 at 05:18 PM

Ok here's a temporary solution (Maybe it's not the best solution):

In the editor, in the folder explorer go to Packages>TextMesh Pro, right-click the TMP folder and select show explorer, copy the folder direction or just go to C:\Users\ Your User \AppData\Local\Unity\cache\packages\packages.unity.com. You'll find all the unity packages, in this case com.unity.textmeshpro@1.2.4.
1. And follow one of these steps (I'm not sure which one is the best):

a. Copy the scripts you need, in my case, TextMeshProUGUI.cs and paste them in Your Project Folder \Packages in the corresponding subfolder of the script, and now the visual studio solution should be able to find that .cs file.

b. In visual studio in the solution explorer (Usually in the right part of the screen) find the folder Unity.TextMeshPro>Packages>com.unity.textmeshpro>Scripts>Runtime and right-click and add an existing item, and add the script you need.

Apparently, that happens because in this Unity version, the Package Manager tries to copy and Paste the packages to a local project folder, but for some reason, they are empty and visual studio expects to be there all the package files in there. I still don't know if that's a problem in this unity version or something is wrong in my PC.

Better solution: Just update Visual Studio with the Visual Studio Installer

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TomiWolf · Jul 18, 2018 at 01:30 AM 0

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Here's a definitive solution: Update Visual Studio with the Visual Studio Installer program, now everything works fine!

WILEz1975 · Jul 21, 2018 at 10:30 PM 1

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Does not work. I have updated Visual Studio (Community 2017) but the error remains. Actually now the error has changed. ![alt text][1] The namespace is found now (after the VS update), but not the classes.

I had to manually copy all package files. But I do not feel very safe. I hope I have more problems with this move. [1]: /storage/temp/121291-screenshot-1.png

Answer 2

Answer by Valthec · May 12, 2020 at 12:20 PM

Check if you are using Assembly Definition file for your scripts. If so, then open your .asmdef file with the inspector and make sure that Unity.TextMeshPro is on the Assembly Definition References list. It is not added automatically when you import TextMeshPro assets.

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lucabeisel · Jul 05, 2020 at 04:00 PM 0

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This one did it for me, I was trying to use T$$anonymous$$Pro in a self-written package. Thank you.

r6mus · Sep 29, 2020 at 11:04 AM 1

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You saved me tons of time thank you

nemeia · Jul 28, 2021 at 11:40 AM 0

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Saved me a lot of time after a lot of headache, this should be the top comment

darrelltstevens · Dec 06, 2021 at 10:12 AM 0

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this should be made the correct answer.

Answer 3

Answer by NIHAALKNIGHT87 · Dec 16, 2018 at 05:20 PM

Just Download the Text mesh Pro From the Assert Store, To solve this Problem ("TMpro")

if U already have that then Delete entire folder of Text mesh Pro and Try it to Reimport the TMPro

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zenixue · Apr 03, 2019 at 01:16 PM 0

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Thanks bro. Easiest solution. $$anonymous$$ade my day.

Nuthead · Dec 10, 2019 at 08:17 PM 0

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This worked for me. I had upgraded from VS 17 to 19. Needed to download T$$anonymous$$Pro again.

nemeia · Jul 21, 2021 at 02:24 PM 0

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Removing whole Text mesh Pro and reinstalling actually worked. Thanks for the help!

Answer 4

Answer by Sercova · Aug 12, 2018 at 09:25 PM

Here is the answer to all your problems with TextMesh Pro and unity 2018.2: https://forum.unity.com/threads/textmesh-pro-unity-2018-1.511748/

I had to realize, but here is explained.

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anu_121 · Oct 05, 2019 at 03:36 AM 0

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Thanks. Your solution worked for me!!!

Answer 5

Answer by jacksonkr · Apr 25, 2019 at 06:09 PM

TextMesh Pro was added to unity as of 2018.2
I was working on an old project when I saw this conflict so I had to remove tmp from our assets and upgrade the scripting library to .net 4.0 (from 3.5)
I had also upgrade visual studio two have the unity development package via Visual Studio Installer > modify

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Can't use namespace 'TMPro' with the TextMeshPro Package (2018.2.0f2)

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