Hi Natalie, I'm currently experiencing the same issue. This is the full error message :
An error occurred launching AutoAI training. Unexpected error occurred posting pipeline: Error: Validation resulted in failure: Vector(Validation resulted in failure: Vector(IfThenRule failed validation: THEN Validation failed with:IfThenRule failed validation: Vector(ContainsRule failed validation: Parameter feature_columns expected to contain value of parameter target_columns. Found ["MT_002","MT_004","MT_007"] not in [])))
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ALBERTO GARZA
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