“Macintosh HD”（disk1s1）でFirst Aidを実行中

注意: First Aidにより起動ボリュームが一時的にロックされます。

ファイルシステムを検証中です。
ボリュームのマウントを解除できませんでした。
ライブモードを使用中です。
fsck_apfs -n -l -x /dev/rdisk1s1を実行中
Checking the container superblock.
Checking the EFI jumpstart record.
Checking the space manager.
Checking the space manager free queue trees.
Checking the object map.
Checking volume.
Checking the APFS volume superblock.
The volume Macintosh HD was formatted by hfs_convert (748.31.8) and last modified by apfs_kext (945.275.8).
Checking the object map.
Checking the snapshot metadata tree.
Checking the snapshot metadata.
Checking snapshot 1 of 11.
error: alloced_size (4096) of dstream (id 8615389809) does not match calculated size (0)
error: dstream (id 8616614191) does not have an associated dstream id object
warning: snapshot fsroot tree corruptions are not repaired; they'll go away once the snapshot is deleted
error: alloced_size (397312) of dstream (id 8616614191) does not match calculated size (0)
error: dstream (id 8617113593) does not have an associated dstream id object
error: alloced_size (8192) of dstream (id 8617113593) does not match calculated size (0)
error: dstream (id 8622997495) does not have an associated dstream id object
error: alloced_size (4096) of dstream (id 8622997495) does not match calculated size (0)
error: alloced_size (8192) of dstream (id 8623608275) does not match calculated size (0)
error: dstream (id 8623608853) does not have an associated dstream id object
error: alloced_size (4096) of dstream (id 8623608853) does not match calculated size (0)
error: alloced_size (8192) of dstream (id 8628071493) does not match calculated size (0)
error: dstream (id 8628284020) does not have an associated dstream id object
error: alloced_size (4096) of dstream (id 8628284020) does not match calculated size (0)
error: dstream (id 8629125799) does not have an associated dstream id object
error: alloced_size (4096) of dstream (id 8629125799) does not match calculated size (0)
error: alloced_size (4096) of dstream (id 8615389809) does not match calculated size (0)
error: dstream (id 8616614191) does not have an associated dstream id object
error: alloced_size (397312) of dstream (id 8616614191) does not match calculated size (0)
error: dstream (id 8617113593) does not have an associated dstream id object
error: alloced_size (8192) of dstream (id 8617113593) does not match calculated size (0)
error: dstream (id 8622997495) does not have an associated dstream id object
error: alloced_size (4096) of dstream (id 8622997495) does not match calculated size (0)
error: alloced_size (8192) of dstream (id 8623608275) does not match calculated size (0)
error: dstream (id 8623608853) does not have an associated dstream id object
error: alloced_size (4096) of dstream (id 8623608853) does not match calculated size (0)
error: alloced_size (8192) of dstream (id 8628071493) does not match calculated size (0)
error: dstream (id 8628284020) does not have an associated dstream id object
error: alloced_size (4096) of dstream (id 8628284020) does not match calculated size (0)
error: dstream (id 8629125799) does not have an associated dstream id object
error: alloced_size (4096) of dstream (id 8629125799) does not match calculated size (0)
Checking snapshot 2 of 11.
error: dstream (id 8628284020) does not have an associated dstream id object
error: alloced_size (4096) of dstream (id 8628284020) does not match calculated size (0)
error: dstream (id 8629125799) does not have an associated dstream id object
error: alloced_size (4096) of dstream (id 8629125799) does not match calculated size (0)
error: dstream (id 8628284020) does not have an associated dstream id object
error: alloced_size (4096) of dstream (id 8628284020) does not match calculated size (0)
error: dstream (id 8629125799) does not have an associated dstream id object
error: alloced_size (4096) of dstream (id 8629125799) does not match calculated size (0)
Checking snapshot 3 of 11.
error: dstream (id 8628284020) does not have an associated dstream id object
error: alloced_size (4096) of dstream (id 8628284020) does not match calculated size (0)
error: (oid 0x42311c) apfs_root: btn: _omap_lookup_obj(0x42311c, 0x287540): No such file or directory
Snapshot is invalid.
The volume /dev/rdisk1s1 could not be verified completely.