Reproduction steps:
1. Delete the “Library” folder (if it exists)
2. Open the attached “BugRepro” project
3. Observe the Console window

Expected result: No errors are printed out
Actual result: Errors regarding assets unable to load are printed out

Reproducible with: 2021.3.38f1, 2022.3.26f1, 6000.0.0f1

Reproducible on: Windows 10
Not reproducible on: No other environment tested

Errors:
{code:java}
Protobuf Unity : Could not make proto path relative: C:\Users\[user]\Documents\UnityReviews\IN-74574_repro-project-unity-2022\UnityProjects\TemplateMobileURP\Packages/com.frimastudio.game-database/Runtime/Data/Proto/data_guid.proto: No such file or directory

UnityEngine.Debug:LogError (object)
E7.Protobuf.ProtobufUnityCompiler:CompileProtobufSystemPath (string,string[]) (at C:/Users/[user]/Documents/UnityReviews/IN-74574_repro-project-unity-2022/Packages/protobuf-unity/Editor/ProtobufUnityCompiler.cs:196)
E7.Protobuf.ProtobufUnityCompiler:CompileProtobufAssetPath (string,string[]) (at C:/Users/[user]/Documents/UnityReviews/IN-74574_repro-project-unity-2022/Packages/protobuf-unity/Editor/ProtobufUnityCompiler.cs:133)
E7.Protobuf.ProtobufUnityCompiler:OnPostprocessAllAssets (string[],string[],string[],string[]) (at C:/Users/[user]/Documents/UnityReviews/IN-74574_repro-project-unity-2022/Packages/protobuf-unity/Editor/ProtobufUnityCompiler.cs:84)
UnityEditor.AssetPostprocessingInternal:PostprocessAllAssets (string[],string[],string[],string[],string[],bool) {code}