{"record":{"id":"cdb75230f401932a","repo":"keras-team/keras","slug":"argument-synchronized-true-is-only-supported-with","errorCode":null,"errorMessage":"Argument synchronized=True is only supported with the TensorFlow backend.","messagePattern":"Argument synchronized=True is only supported with the TensorFlow backend\\.","errorType":"validation","errorClass":"ValueError","httpStatus":null,"severity":"error","filePath":"keras/src/layers/normalization/batch_normalization.py","lineNumber":185,"sourceCode":"        beta_initializer=\"zeros\",\n        gamma_initializer=\"ones\",\n        moving_mean_initializer=\"zeros\",\n        moving_variance_initializer=\"ones\",\n        beta_regularizer=None,\n        gamma_regularizer=None,\n        beta_constraint=None,\n        gamma_constraint=None,\n        renorm=False,\n        renorm_clipping=None,\n        renorm_momentum=0.99,\n        synchronized=False,\n        **kwargs,\n    ):\n        super().__init__(**kwargs)\n        self.axis = int(axis)\n\n        if synchronized and backend.backend() != \"tensorflow\":\n            raise ValueError(\n                \"Argument synchronized=True is only supported \"\n                \"with the TensorFlow backend.\"\n            )\n        self.synchronized = synchronized\n\n        self.momentum = float(momentum)\n        self.epsilon = float(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.moving_mean_initializer = initializers.get(moving_mean_initializer)\n        self.moving_variance_initializer = initializers.get(\n            moving_variance_initializer\n        )\n        self.beta_regularizer = regularizers.get(beta_regularizer)\n        self.gamma_regularizer = regularizers.get(gamma_regularizer)\n        self.beta_constraint = constraints.get(beta_constraint)","sourceCodeStart":167,"sourceCodeEnd":203,"githubUrl":"https://github.com/keras-team/keras/blob/7a34a03db60bf60042242d6a556fc3be119046a5/keras/src/layers/normalization/batch_normalization.py#L167-L203","documentation":"Error \"Argument synchronized=True is only supported with the TensorFlow backend.\" thrown in keras-team/keras.","triggerScenarios":"Thrown at keras/src/layers/normalization/batch_normalization.py:185 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"}