{"record":{"id":"cb7442c3c3d1c148","repo":"keras-team/keras","slug":"frame-step-should-be-a-positive-integer-not-grea","errorCode":null,"errorMessage":"`frame_step` should be a positive integer not greater than `frame_length`. Received frame_step={frame_step}, frame_length={frame_length}","messagePattern":"`frame_step` should be a positive integer not greater than `frame_length`\\. Received frame_step=(.+?), frame_length=(.+?)","errorType":"validation","errorClass":"ValueError","httpStatus":null,"severity":"error","filePath":"keras/src/layers/preprocessing/stft_spectrogram.py","lineNumber":151,"sourceCode":"\n    def __init__(\n        self,\n        mode=\"log\",\n        frame_length=256,\n        frame_step=None,\n        fft_length=None,\n        window=\"hann\",\n        periodic=False,\n        scaling=\"density\",\n        padding=\"valid\",\n        expand_dims=False,\n        data_format=None,\n        **kwargs,\n    ):\n        if frame_step is not None and (\n            frame_step > frame_length or frame_step < 1\n        ):\n            raise ValueError(\n                \"`frame_step` should be a positive integer not greater than \"\n                f\"`frame_length`. Received frame_step={frame_step}, \"\n                f\"frame_length={frame_length}\"\n            )\n\n        if fft_length is not None and fft_length < frame_length:\n            raise ValueError(\n                \"`fft_length` should be not less than `frame_length`. \"\n                f\"Received fft_length={fft_length}, frame_length={frame_length}\"\n            )\n\n        if fft_length is not None and (fft_length & -fft_length) != fft_length:\n            warnings.warn(\n                \"`fft_length` is recommended to be a power of two. \"\n                f\"Received fft_length={fft_length}\"\n            )\n\n        all_modes = [\"log\", \"magnitude\", \"psd\", \"real\", \"imag\", \"angle\", \"stft\"]","sourceCodeStart":133,"sourceCodeEnd":169,"githubUrl":"https://github.com/keras-team/keras/blob/7a34a03db60bf60042242d6a556fc3be119046a5/keras/src/layers/preprocessing/stft_spectrogram.py#L133-L169","documentation":"Error \"`frame_step` should be a positive integer not greater than `frame_length`. Received frame_step={frame_step}, frame_length={frame_length}\" thrown in keras-team/keras.","triggerScenarios":"Thrown at keras/src/layers/preprocessing/stft_spectrogram.py:151 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"}