MLService prediction call Failed, Invalid output data for Output type JSON, should be (json) string

[Shaik_Tharim]

Hi,
Could you please help me to resolve this issue?

Error: MLService prediction call Failed

{
“code”: “BadRequest”,
“message”: “Invalid output data for Output type JSON, should be (json) string”,
“stacktrace”: null,
“trace_id”: null
}

[Thanu_Matheesha1 (Thanu Matheesha)]

can you put a screenshot of your training pipeline

[suraj.setty]

Hi @Shaik_Tharim

Please check if the “PipeLine” run was successful.

And the status of the ML Skill is “Deployed”

Thanks.

[Shaik_Tharim]

I fixed it guys, thanks.
The issue is i was using generic document understanding model without training and before we actually us in workflow ML extractor we need to retrain our model & the ML version must be > 0.