Hi there,
I'm getting this error only in ANDROID with Unity 2019.1.9f1, do you have any clues?
OPENGL NATIVE PLUG-IN ERROR: GL_INVALID_OPERATION: Operation illegal in current state
UnityEngine.GL:IssuePluginEvent(Int32)
EasyAR.Augmenter:RetrieveVideoBackground()
EasyAR.ARCameraBaseBehaviour:Update()
[/Users/builduser/buildslave/unity/build/Runtime/GfxDevice/opengles/GfxDeviceGLES.cpp line 351]
(Filename: /Users/builduser/buildslave/unity/build/Runtime/GfxDevice/opengles/GfxDeviceGLES.cpp Line: 351)