Disk first aid is failing...

How should I resolve this?

Verifying file system.

Volume could not be unmounted.

Using live mode.

Performing fsck_apfs -n -l -x /dev/rdisk1s1

Checking the container superblock.

Checking the checkpoint with transaction ID 2829855.

Checking the EFI jumpstart record.

Checking the space manager.

Checking the space manager free queue trees.

Checking the object map.

Checking the encryption key structures.

Checking volume /dev/rdisk1s1.

Checking the APFS volume superblock.

The volume Macintosh HD - Data was formatted by diskmanagementd (1933.41.2) and last modified by apfs_kext (1934.141.2).

Checking the object map.

error: omap entry (oid 0x2039cc): invalid ok_xid (0x811402a)

Object map is invalid.

The volume /dev/rdisk1s1 was found to be corrupt and cannot be repaired.

Verifying allocated space.

The volume /dev/rdisk1s1 could not be verified completely.

File system check exit code is 8.

Restoring the original state found as mounted.

File system verify or repair failed. : (-69845)

Operation successful.