Ghp-import Fatal Errore: Invalid raw dat

Hi Everyone,
I am trying to setup the Data Science blog by following the tutorial using pelican, While committing the files to the root directory form output folder using ghp-import output - b master
I am running into ‘fatal: Invalid raw date “1576064213 India Standard Time” in ident:’
IOError invalid document.
If anyone has faced this issue Kindly connect.