{"record":{"id":"04235d98a490da0b","repo":"keras-team/keras","slug":"received-an-invalid-value-for-argument-groups-e","errorCode":null,"errorMessage":"Received an invalid value for argument `groups`, expected a positive integer (or `-1` for instance normalization). Received: groups={groups}","messagePattern":"Received an invalid value for argument `groups`, expected a positive integer \\(or `-1` for instance normalization\\)\\. Received: groups=(.+?)","errorType":"validation","errorClass":"ValueError","httpStatus":null,"severity":"error","filePath":"keras/src/layers/normalization/group_normalization.py","lineNumber":83,"sourceCode":"    \"\"\"\n\n    def __init__(\n        self,\n        groups=32,\n        axis=-1,\n        epsilon=1e-3,\n        center=True,\n        scale=True,\n        beta_initializer=\"zeros\",\n        gamma_initializer=\"ones\",\n        beta_regularizer=None,\n        gamma_regularizer=None,\n        beta_constraint=None,\n        gamma_constraint=None,\n        **kwargs,\n    ):\n        if not isinstance(groups, int) or (groups <= 0 and groups != -1):\n            raise ValueError(\n                \"Received an invalid value for argument `groups`, expected \"\n                \"a positive integer (or `-1` for instance normalization). \"\n                f\"Received: groups={groups}\"\n            )\n        super().__init__(**kwargs)\n        self.supports_masking = True\n        self.autocast = False\n        self.groups = groups\n        self.axis = axis\n        self.epsilon = epsilon\n        self.center = center\n        self.scale = scale\n        self.beta_initializer = initializers.get(beta_initializer)\n        self.gamma_initializer = initializers.get(gamma_initializer)\n        self.beta_regularizer = regularizers.get(beta_regularizer)\n        self.gamma_regularizer = regularizers.get(gamma_regularizer)\n        self.beta_constraint = constraints.get(beta_constraint)\n        self.gamma_constraint = constraints.get(gamma_constraint)","sourceCodeStart":65,"sourceCodeEnd":101,"githubUrl":"https://github.com/keras-team/keras/blob/7a34a03db60bf60042242d6a556fc3be119046a5/keras/src/layers/normalization/group_normalization.py#L65-L101","documentation":"Error \"Received an invalid value for argument `groups`, expected a positive integer (or `-1` for instance normalization). Received: groups={groups}\" thrown in keras-team/keras.","triggerScenarios":"Thrown at keras/src/layers/normalization/group_normalization.py:83 when the library encounters an invalid state.","commonSituations":"See trigger scenarios.","solutions":[],"exampleFix":null,"handlingStrategy":null,"validationCode":null,"typeGuard":null,"tryCatchPattern":null,"preventionTips":[],"tags":[],"backgroundTag":null,"analyzedSha":"7a34a03db60bf60042242d6a556fc3be119046a5","analyzedAt":"2026-08-25T21:25:25.994Z","schemaVersion":2},"datasetVersion":"2026-08-26T02:17:13.382Z"}