[Python] ValueError: multilabel-indicator is not supported confusion matrix

multilabel-indicator is not supported is the error message I get, when trying to run: can you give me any solution or hint.

import seaborn as sns
sns.heatmap(confusion_matrix(y_test, y_pred), annot = True)


ValueError Traceback (most recent call last)
<ipython-input-21-ee6823d584e9> in <cell line: 1>()
----> 1 sns.heatmap(confusion_matrix(y_test, y_pred), annot = True)

/usr/local/lib/python3.10/dist-packages/sklearn/metrics/_classification.py in confusion_matrix(y_true, y_pred, labels, sample_weight, normalize)
317 y_type, y_true, y_pred = _check_targets(y_true, y_pred)
318 if y_type not in ("binary", "multiclass"):
--> 319 raise ValueError("%s is not supported" % y_type)
320
321 if labels is None:

ValueError: multilabel-indicator is not supported

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