Reproduction steps:
1. Open the attached user's project "Package Upgrade.zip"
2. Turn on the Profiler recording and set it to Editor
3. Observer the Console window

Expected result: no errors related to Non matching Profiler.EndSample are being thrown
Actual result: errors related to Non matching Profiler.EndSample are being thrown

Reproduces on: URP 9.0.0-preview.35 (2020.1.0b16, 2020.2.0a18)
Does not reproduce on: LWRP 4.10.0-preview (2018.4.25f1), URP 7.4.1 (2019.4.4f1), 9.0.0-preview.14 (2020.1.0b16, 2020.2.0a18)

Two first errors being outputted in the console:
Missing Profiler.EndSample (BeginSample and EndSample count must match): Render Camera
Previous 5 samples:
Render Camera
Render Camera
Semaphore.WaitForSignal
WaitForJobGroupID
Shadows.PrepareDrawShadows
In the scope:
Render Camera
Render Camera
UnityEngine.CoreModule.dll!UnityEngine.Rendering::RenderPipelineManager.DoRenderLoop_Internal()
PlayerLoop
Main Thread

Non matching Profiler.EndSample (BeginSample and EndSample count must match): Render Main Shadowmap
Previous 5 samples:
Render Main Shadowmap
RenderLoop.CleanupNodeQueue
Render Main Shadowmap
SRPBatcher.Flush
SRPBShadow.ApplyShader
In the scope:
Render Main Shadowmap
UnityEngine.CoreModule.dll!UnityEngine.Rendering::RenderPipelineManager.DoRenderLoop_Internal()
PlayerLoop
Main Thread

Notes:
-Issue reproduces in Play mode as well
-Issue only reproduces if URP is installed