Should I answer yes to "Clone multiply-claimed blocks<y>?" when running e2fsck?

When running

-bash
e2fsck -cck /dev/mapper/xxx

I am prompted with

has 487 multiply-claimed block(s), shared with 84 file(s): 
 ... (inode #221446306, mod time Tue Feb 20 19:48:38 2018) 
 ... (inode #221446305, mod time Tue Feb 20 19:48:32 2018) 
 ... (inode #221446304, mod time Tue Feb 20 19:48:38 2018) 
 ... (inode #221446303, mod time Tue Feb 20 19:48:12 2018) 
 ... (inode #221446302, mod time Tue Feb 20 19:59:04 2018) 
 ... (inode #221446300, mod time Tue Feb 20 19:47:52 2018) 
Clone multiply-claimed blocks?

What will be the possible consequence of continuing with "yes"? Will there be complete data loss? What is the result if continue with "no"?