AttributeError: Can only use .dt accessor with datetimelike values

Dash Python
9

I added

df["Timestamp"] = pd.to_datetime(df["Timestamp"],format= "%d-%b-%Y %H:%M:%S")

and now I get

ValueError: time data '144' does not match format '%d-%b-%Y %H:%M:%S' (match)


File "C:\Users\denis.akvic\AppData\Local\Programs\Python\Python39\Lib\site-packages\pandas\core\tools\datetimes.py", line 509, in _to_datetime_with_format

values, tz = conversion.datetime_to_datetime64(arg)

File "pandas\_libs\tslibs\conversion.pyx", line 359, in pandas._libs.tslibs.conversion.datetime_to_datetime64