My Passport 1TB unable to erase and format

The Part number is WDBBEP0010BBK-03 I am unable to drive erase and format the HD.
I get the following error;

An exception occurred during the operation, making the result invalid.
Check InnerException for exception details.

Any guidance?

Hi @ojig27,

Have you opened a Support Case? If not opened, for more information, please contact the WD Technical Support team for the best assistance and troubleshooting:

Hi, thank you for the post. Much helpful
I have another question @Keerti_01
I have an old 500GB external drive that has some valuable files. For some years I thought I lost it. But recently I found it. Seems like, when it is connected to the PC/Laptop it is working and I can sense the vibration on the disk. Please note that it is a 9 year old one.
But I am not able to open any files or access any files at all. Could you please help?