OCR error in purging out ImagetoText data

Hi all, I am extremely new user to RPA here. I have been attempting to perform “Read PDF with OCR” but have been encountering the following error (please refer to the images below):

I have tried to use a different document, but am still unable to get the sequence running.

Thanks in advance!

Hi @Ivy_Loh,

Are you reading scanned pdf?

Thanks,