1) Download attached project ad open in Unity
2) Build and Run samplescene on a device
3) Wait 5-10 mins until the scene will start render
check the logcat, and you will see this error spammed:
UnityEngine.Experimental.Rendering.LightweightPipeline.AdditionalLightsShadowCasterPass:Execute(ScriptableRenderer, Scripta
E/Unity (19806): RenderTexture.Create failed: format unsupported - RGBA4 (1).
E/Unity (19806): UnityEngine.Experimental.Rendering.ScriptableRenderContext:Submit_Internal_Injected(ScriptableRenderContext&)
E/Unity (19806): UnityEngine.Experimental.Rendering.ScriptableRenderContext:Submit_Internal()
E/Unity (19806): UnityEngine.Experimental.Rendering.ScriptableRenderContext:Submit()

Reproduced with:
2018.3.0b4, 2019.1.0a3

Devices under testing:
Reproduced with:
VLNQA00053 Google Nexus 7*, OS:5.1.1, CPU:armeabi-v7a, GPU:NVIDIA Tegra 3

Not reproduced with:
VLNQA00129 Nvidia SHIELD Tablet*, OS:6.0.1, CPU:armeabi-v7a, GPU:NVIDIA Tegra
VLNQA00202 Samsung Galaxy Note9, OS:8.1.0, CPU:arm64-v8a, GPU:Adreno (TM) 630
VLNQA00108 LG Leon, OS:5.0.1, CPU:armeabi-v7a, GPU:Adreno (TM) 306