Question by pb_martinwickham · Jan 16, 2019 at 06:18 PM · build bug report text mesh blocking

TMPro Namespace Disappears on Editor Restart (2018.3.0f2)

I'm developing a game using Unity 2018.3.0f2 and Rider 2018.3. It seems that every time I close and re-open the Unity editor, the TMPro namespace disappears and my project is no longer able to build. Deleting all files that are ignored by version control before opening the project sometimes fixes the problem, but not always. It also forces Unity to fully rebuild the asset cache and takes forever.

This problem is exacerbated by the bug in 2018.3 that compilation problems can cause the package manager to be missing, so I can't try anything related to the TMPro package through the editor when in the broken state.

This problem first appeared after Unity crashed unexpectedly, My coworkers are working from the same source files on the same Unity version and do not seem to be affected by this problem. But starting from a clean checkout of the game causes the problem for me.

I can easily repro with the following sequence:

Clean checkout
Open Unity
Open a source file (opens rider, which installs the rider plugin in Unity)
Return focus to Unity (initializes the rider plugin)
Close Rider and Unity
Open Unity again, the build is broken and package manager is missing

Unfortunately the log from the initial crash is gone. I didn't grab it in time. But I've attached logs from reproducing this problem. Editor-prev.log contains the log from opening the project in a clean checkout and connecting Rider, after which the game builds successfully until Unity is closed. Editor.log contains the log after closing and reopening the editor, where the build fails.

(Edit: Seems like the logs didn't post correctly, fixing the attachment.)

logs.zip (199.9 kB)

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