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RuntimeError: The expanded size of the tensor (2) must match the existing size (31) at non-singleton dimension 2. Target sizes: [1, 2, 2, 128]. Tensor sizes: [2, 31, 128] #273

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RuntimeError: The expanded size of the tensor (2) must match the existing size (31) at non-singleton dimension 2. Target sizes: [1, 2, 2, 128]. Tensor sizes: [2, 31, 128]#273
@Timacoldplay

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@Timacoldplay
Timacoldplay
opened on Apr 19, 2026

这个报错什么原因呢？win11，4060ti

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