Reproduction steps:
1. Open attached project "970825_TMP_ForceReserialize.zip"
2. In Project window, right-click Assets -> 'TextMesh Pro' folder, and press 'Reimport'
3. In Editor menu, select Tools -> ForceReserializeAssets
4. Observe Console window
5. If no error appears, repeat steps 2-4

Expected result: No errors
Actual result: "PrecompiledAssemblyException" error

Reproducible with: 1.3.0 (2018.4.32f1)
Not reproducible with: 1.3.0 (2019.1.0a1), 2.1.3 (2019.4.18f1), 3.0.3 (2020.2.2f1, 2021.1.0b3, 2021.2.0a2)
Could not test with: 2018.3.0a11 ("no suitable methods found to override" and missing namespace errors), 1.5.3 (2018.4.26f1) ("no suitable method found to override" errors)