Failed to generate track2 sdk of azure-mgmt-mixedreality

[00Kai0]

When I generated mixedreality, I got a confusing error. But I checked it actually has this ref.

My config

Errro log:

VERBOSE [2.81 s]: Reading OpenAPI 2.0 file file:///_/azure-rest-api-specs/specification/mixedreality/resource-manager/Microsoft.MixedReality/stable/2020-05-01/proxy.json
VERBOSE [2.84 s]: Reading OpenAPI 2.0 file file:///_/azure-rest-api-specs/specification/mixedreality/resource-manager/Microsoft.MixedReality/stable/2020-05-01/spatial-anchors.json
VERBOSE [2.87 s]: Reading OpenAPI 2.0 file file:///_/azure-rest-api-specs/specification/mixedreality/resource-manager/Microsoft.MixedReality/preview/2020-04-06-preview/remote-rendering.json
VERBOSE [2.92 s]: Reading $ref'd file file:///_/azure-rest-api-specs/specification/mixedreality/resource-manager/Microsoft.MixedReality/stable/2020-05-01/common.json
VERBOSE [2.96 s]: Reading $ref'd file file:///_/azure-rest-api-specs/specification/common-types/resource-management/v1/types.json
VERBOSE [2.96 s]: Reading $ref'd file file:///_/azure-rest-api-specs/specification/mixedreality/resource-manager/Microsoft.MixedReality/preview/2020-04-06-preview/common.json
  Error: $ref to original location 'file:///_/azure-rest-api-specs/specification/mixedreality/resource-manager/Microsoft.MixedReality/stable/2020-05-01/common.json#/components/parameters/accountKeyRegenerateParameter' is not found in the new refs collection

[iscai-msft]

This isn't an autorest.python issue, it looks like it might be an issue further up in core. I've re-opened this issue in autorest core here