Figure Builder Error

[Somtochukwu-Achikanu]

from whatstk import FigureBuilder
from plotly.offline import plot
fb = FigureBuilder(chat)
fig = fb.user_interventions_count_linechart(cumulative=True, title='User inteventions count (cumulative)')
plot(fig)

The error it is throwing..

---------------------------------------------------------------------------
AttributeError                            Traceback (most recent call last)
<ipython-input-103-c1b1c4d66314> in <cell line: 4>()
      2 from plotly.offline import plot
      3 fb = FigureBuilder(chat)
----> 4 fig = fb.user_interventions_count_linechart(cumulative=True, title='User inteventions count (cumulative)')
      5 plot(fig)

4 frames
/usr/local/lib/python3.10/dist-packages/pandas/core/indexes/accessors.py in __new__(cls, data)
    510             return PeriodProperties(data, orig)
    511 
--> 512         raise AttributeError("Can only use .dt accessor with datetimelike values")

AttributeError: Can only use .dt accessor with datetimelike values

please note the name of my dataframe is chat.