WebGL: INVALID_ENUM: getInternalformatParameter: invalid internalformat

On my WebGL build on Unity 6000.0.14f1, I’m getting the following error message in my Mac Chrome console - the scene isn’t loading. Any idea where I can start debugging this?

bud-unity-web.framework.js:12341 WebGL: INVALID_ENUM: getInternalformatParameter: invalid internalformat
_glGetInternalformativ @ bud-unity-web.framework.js:12341
$gles::InitRenderTextureAACaps(ApiGLES*, GraphicsCaps*) @ bud-unity-web.wasm:0xf45409
$ApiGLES::Init(GfxContextGLES const&, GfxDeviceLevelGL&) @ bud-unity-web.wasm:0xf40de5
$GfxDeviceGLES::Init(GfxDeviceLevelGL) @ bud-unity-web.wasm:0xf28551
$CreateGLESGfxDevice(GfxDeviceRenderer) @ bud-unity-web.wasm:0xf27815
$CreateRealGfxDevice(GfxDeviceRenderer) @ bud-unity-web.wasm:0x11b48fb
$CreateClientGfxDevice(GfxDeviceRenderer, GfxCreateDeviceFlags) @ bud-unity-web.wasm:0xfbaa10
$InitializeGfxDevice() @ bud-unity-web.wasm:0x11b5242
$InitializeEngineGraphics(bool) @ bud-unity-web.wasm:0x139f7d6
$PlayerInitEngineGraphics(bool) @ bud-unity-web.wasm:0x3ab5f9
$RunWebGLPlayer() @ bud-unity-web.wasm:0x127a04e
$ObtainedWebGpuDevice(int, void*) @ bud-unity-web.wasm:0x127a9ec
cb @ bud-unity-web.framework.js:14107
(anonymous) @ bud-unity-web.framework.js:13725
Promise.then
_wgpu_adapter_request_device_async @ bud-unity-web.framework.js:14116
$ObtainedWebGpuAdapter(int, void*) @ bud-unity-web.wasm:0x127a9b7
cb @ bud-unity-web.framework.js:13743
(anonymous) @ bud-unity-web.framework.js:13725
Promise.then
_navigator_gpu_request_adapter_async @ bud-unity-web.framework.js:13745
$InitWebGLPlayer(int, char**) @ bud-unity-web.wasm:0x127a74c
$main @ bud-unity-web.wasm:0x127aa1a
(anonymous) @ bud-unity-web.framework.js:834
callMain @ bud-unity-web.framework.js:15982
doRun @ bud-unity-web.framework.js:16020
run @ bud-unity-web.framework.js:16032
runCaller @ bud-unity-web.framework.js:15965
removeRunDependency @ bud-unity-web.framework.js:792
(anonymous) @ bud-unity-web.framework.js:194
doCallback @ bud-unity-web.framework.js:2653
done @ bud-unity-web.framework.js:2664
reconcile @ bud-unity-web.framework.js:2097
(anonymous) @ bud-unity-web.framework.js:1878
index.openKeyCursor.onsuccess @ bud-unity-web.framework.js:1971
IndexedDB
(anonymous) @ bud-unity-web.framework.js:1968
req.onsuccess @ bud-unity-web.framework.js:1918
IndexedDB
getDB @ bud-unity-web.framework.js:1893
getRemoteSet @ bud-unity-web.framework.js:1958
(anonymous) @ bud-unity-web.framework.js:1874
getLocalSet @ bud-unity-web.framework.js:1951
syncfs @ bud-unity-web.framework.js:1872
(anonymous) @ bud-unity-web.framework.js:2671
syncfs @ bud-unity-web.framework.js:2667
unityFileSystemInit @ bud-unity-web.framework.js:192
(anonymous) @ bud-unity-web.framework.js:197
callRuntimeCallbacks @ bud-unity-web.framework.js:4076
preRun @ bud-unity-web.framework.js:664
run @ bud-unity-web.framework.js:16007
runCaller @ bud-unity-web.framework.js:15965
removeRunDependency @ bud-unity-web.framework.js:792
(anonymous) @ bud-unity-web.framework.js:920
Promise.then
loadWasmModuleToAllWorkers @ bud-unity-web.framework.js:4054
receiveInstance @ bud-unity-web.framework.js:920
receiveInstantiationResult @ bud-unity-web.framework.js:928
Promise.then
(anonymous) @ bud-unity-web.framework.js:896
Promise.then
instantiateAsync @ bud-unity-web.framework.js:894
createWasm @ bud-unity-web.framework.js:938
(anonymous) @ bud-unity-web.framework.js:15824
(anonymous) @ bud-unity-web.loader.js:1357
Promise.then
loadBuild @ bud-unity-web.loader.js:1355
(anonymous) @ bud-unity-web.loader.js:1435
Promise.then
(anonymous) @ bud-unity-web.loader.js:1434
createUnityInstance @ bud-unity-web.loader.js:1405