ValueError: Layout of 2x2 must be larger than required size 9 <Figure size 720x576 with 0 Axes>

hs300.plot(kind='line',subplots=True,sharex=True,sharey=True,layout=(2,2),figsize=(10,8),title=u'2018年沪深300指数走势图',grid=True,fontsize=13)
Traceback (most recent call last):

File "C:\Users\MECHREVO\AppData\Local\Temp/ipykernel_11140/1379532806.py", line 1, in
hs300.plot(kind='line',subplots=True,sharex=True,sharey=True,layout=(2,2),figsize=(10,8),title=u'2018年沪深300指数走势图',grid=True,fontsize=13)

File "D:\anaconda3\lib\site-packages\pandas\plotting_core.py", line 972, in call
return plot_backend.plot(data, kind=kind, **kwargs)

File "D:\anaconda3\lib\site-packages\pandas\plotting_matplotlib_init_.py", line 71, in plot
plot_obj.generate()

File "D:\anaconda3\lib\site-packages\pandas\plotting_matplotlib\core.py", line 287, in generate
self._setup_subplots()

File "D:\anaconda3\lib\site-packages\pandas\plotting_matplotlib\core.py", line 334, in _setup_subplots
fig, axes = create_subplots(

File "D:\anaconda3\lib\site-packages\pandas\plotting_matplotlib\tools.py", line 259, in create_subplots
nrows, ncols = _get_layout(naxes, layout=layout, layout_type=layout_type)

File "D:\anaconda3\lib\site-packages\pandas\plotting_matplotlib\tools.py", line 97, in _get_layout
raise ValueError(

ValueError: Layout of 2x2 must be larger than required size 9