One of the logical volumes is not shown

Hello,
The system has the following logical volumes:
Code:# /sbin/lvdisplay
--- Logical volume ---
LV Path /dev/LB/Root
LV Name Root
VG Name LB
LV UUID 1b37gu-87k3-hoOG-xPzo-D166-TH0C-AnuyCd
LV Write Access read/write
LV Creation host, time L-B, 2024-04-09 15:35:43 +0330
LV Status available
# open 1
LV Size 74.50 GiB
Current LE 19073
Segments 1
Allocation inherit
Read ahead sectors auto
- currently set to 256
Block device 254:0

--- Logical volume ---
LV Path /dev/LB/Home
LV Name Home
VG Name LB
LV UUID 0LuQxk-f8Ux-Iyo4-3R51-p8nY-xOZs-JcbBn8
LV Write Access read/write
LV Creation host, time L-B, 2024-04-09 15:35:57 +0330
LV Status available
# open 1
LV Size 18.62 GiB
Current LE 4768
Segments 1
Allocation inherit
Read ahead sectors auto
- currently set to 256
Block device 254:1

--- Logical volume ---
LV Path /dev/LB/Data
LV Name Data
VG Name LB
LV UUID lIvuOr-8drz-88W1-uVJU-IWiT-Mpm9-19d5YV
LV Write Access read/write
LV Creation host, time L-B, 2024-04-09 15:37:33 +0330
LV Status available
# open 0
LV Size <418.87 GiB
Current LE 107230
Segments 1
Allocation inherit
Read ahead sectors auto
- currently set to 256
Block device 254:2But there is no Data in the following output:
Code:# df
Filesystem 1K-blocks Used Available Use% Mounted on
udev 32947820 0 32947820 0% /dev
tmpfs 6594356 692 6593664 1% /run
/dev/mapper/LB-Root 76317468 1722272 70672664 3% /
tmpfs 32971772 0 32971772 0% /dev/shm
tmpfs 5120 0 5120 0% /run/lock
/dev/mapper/LB-Home 19047080 44 18054168 1% /home
tmpfs 6594352 0 6594352 0% /run/user/0
tmpfs 6594352 0 6594352 0% /run/user/1000How do I add it?

Thank you.