Errors in GS 2020SR2

T am receiiving constantly this error:

Unable to build model! State: "{\"ModelId\":\"xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx\",\"InternalModelId\":99,\"ContainerId\":\"xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx\",\"Corpora\":\"\",\"ExceptionData\":{}}"

Is this a bug,somrting i have to be concerned what else?

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