# `Prometheus.InvalidMetricArityError`
[🔗](https://github.com/prometheus-erl/prometheus.ex/blob/v5.1.0/lib/prometheus/error.ex#L47)

Raised when metric arity is invalid e.g. counter metric was created with two labels but
only one label value is passed to `Prometheus.Metric.Counter.inc/2`.

# `message`

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*Consult [api-reference.md](api-reference.md) for complete listing*