A message in my message book is unable to be deleted/hidden.

Date & Time: 6/10/2019 11:16 AM PST
Frequency: Only Occured once
World name: Ultros
Character name: Chtholly Seniorious
Retainer name: N/A
NPC name: N/A
Monster name: N/A
Class/Level: Black Mage, Level 70
Party or solo: Party, 2 people
Race: Miqo'te F
In-game time: 12:35 PM ET
Area and coordinates: Shirogane ( 13.3 , 11.4 )
Housing: Shirogane, Ward 6, Plot 14
Steps:
1. I wrote a message into the book.
2. Me and a shared estate tenant both clicked delete/hide at the same time.
3. The message was not deleted when we both left the book UI.
4. The message persists no matter how many times we try to delete/hide it.
5. The same message can be posted again, and deleted freely, but we have not tried to delete/hide another one of the same wording at the exact same time again.

Connection Specs
- Type of internet connection/provider: Isp: Suddenlink/ High speed Cable Internet
- Modem maker/model number: HitronTechnologies/ CGN

■ PC Specs

-=-=-=-=-=-=- System Information -=-=-=-=-=-=-

SYSTEM_OS Windows 10 Home 64-bit (6.2, Build 9200) (17134.rs4_release.180410-1804)
SYSTEM_CPU Intel(R) Core(TM) i5-4670K CPU @ 3.40GHz (4 CPUs), ~3.4GHz
SYSTEM_CORE_NUM SYSTEM_CORE_LOGIC 4 SYSTEM_CORE_PHYSICS 4
SYSTEM_BIOS BIOS Date: 04/07/13 16:22:10 Ver: 03.09
SYSTEM_LANGUAGE English (Regional Setting: English)
SYSTEM_MEMORY 8131.324MB
SYSTEM_VIRTUAL_MEMORY 134217727.875MB
SYSTEM_PAGE_FILE 16323.324MB
SYSTEM_STORAGE C:\ SYSTEM_HARDDISK_DRIVE SYSTEM_TOTALDISC_SPACE 117.279GB SYSTEM_FREEDISC_SPACE 19.401GB
SYSTEM_STORAGE E:\ SYSTEM_HARDDISK_DRIVE SYSTEM_TOTALDISC_SPACE 1863.015GB SYSTEM_FREEDISC_SPACE 828.030GB
SYSTEM_DIRECTX_VERSION DirectX 12
SYSTEM_GRAPHICS NVIDIA GeForce GTX 760
SYSTEM_GRAPHICS_DEVICE \\.\DISPLAY1
SYSTEM_GRAPHICS_CHIP GeForce GTX 760
SYSTEM_GRAPHICS_MAKER NVIDIA
SYSTEM_GRAPHICS_VRAM 2007.125 MB
SYSTEM_GRAPHICS_SHARED_VRAM 4065.662 MB
SYSTEM_GRAPHICS_DAC Integrated RAMDAC
SYSTEM_GRAPHICS_DISPLAY_MODE 1920 x 1080 (32 bit) (60Hz)
SYSTEM_GRAPHICS_DRIVER C:\WINDOWS\System32\DriverStore\FileRepository\nv_dispi.inf_amd64_6bc621d9790e90e7\nvldumdx.dll,C:\WINDOWS\System32\DriverStore\FileRepository\nv_dispi.inf_amd64_6bc621d9790e90e7\nvldumdx.dll,C:\WINDOWS\System32\DriverStore\FileRepository\nv_dispi.inf_amd64_6bc621d9790e90e7\nvldumdx.dll,C:\WINDOWS\System32\DriverStore\FileRepository\nv_dispi.inf_amd64_6bc621d9790e90e7\nvldumdx.dll
SYSTEM_GRAPHICS_DRIVER_VERSION 25.21.0014.1681
SYSTEM_GRAPHICS_DRIVER_DATE 11/2/2018 09:00:00
SYSTEM_GRAPHICS_DRIVER_LANGUAGE English
3.0
SYSTEM_GRAPHICS_PIXEL_SHADER 3.0
SYSTEM_GRAPHICS_VERTEX_TEXTURE SYSTEM_SUPPORT
SYSTEM_GRAPHICS NVIDIA GeForce GTX 760
SYSTEM_GRAPHICS_DEVICE \\.\DISPLAY2
SYSTEM_GRAPHICS_CHIP GeForce GTX 760
SYSTEM_GRAPHICS_MAKER NVIDIA
SYSTEM_GRAPHICS_VRAM 2007.125 MB
SYSTEM_GRAPHICS_SHARED_VRAM 4065.662 MB
SYSTEM_GRAPHICS_DAC Integrated RAMDAC
SYSTEM_GRAPHICS_DISPLAY_MODE 1440 x 900 (32 bit) (60Hz)
SYSTEM_GRAPHICS_DRIVER C:\WINDOWS\System32\DriverStore\FileRepository\nv_dispi.inf_amd64_6bc621d9790e90e7\nvldumdx.dll,C:\WINDOWS\System32\DriverStore\FileRepository\nv_dispi.inf_amd64_6bc621d9790e90e7\nvldumdx.dll,C:\WINDOWS\System32\DriverStore\FileRepository\nv_dispi.inf_amd64_6bc621d9790e90e7\nvldumdx.dll,C:\WINDOWS\System32\DriverStore\FileRepository\nv_dispi.inf_amd64_6bc621d9790e90e7\nvldumdx.dll
SYSTEM_GRAPHICS_DRIVER_VERSION 25.21.0014.1681
SYSTEM_GRAPHICS_DRIVER_DATE 11/2/2018 09:00:00
SYSTEM_GRAPHICS_DRIVER_LANGUAGE English
3.0
SYSTEM_GRAPHICS_PIXEL_SHADER 3.0
SYSTEM_GRAPHICS_VERTEX_TEXTURE SYSTEM_SUPPORT
SYSTEM_SOUND Speakers (Realtek High Definition Audio)
SYSTEM_SOUND_DEVICE_ID {7B2553B5-3285-4AD5-B723-439E59113285}
SYSTEM_SOUND_DEVICE_NAME RTKVHD64.sys
SYSTEM_SOUND_DRIVER_VERSION 6.00.0001.7535
SYSTEM_SOUND_DRIVER_LANGUAGE English
SYSTEM_SOUND_DRIVER_DATE 6/16/2015 00:00:00
SYSTEM_SOUND Realtek Digital Output (Realtek High Definition Audio)
SYSTEM_SOUND_DEVICE_ID {9E8DF8EA-FA1A-41D4-9852-23C5983D9CEC}
SYSTEM_SOUND_DEVICE_NAME RTKVHD64.sys
SYSTEM_SOUND_DRIVER_VERSION 6.00.0001.7535
SYSTEM_SOUND_DRIVER_LANGUAGE English
SYSTEM_SOUND_DRIVER_DATE 6/16/2015 00:00:00
SYSTEM_INPUT {6F1D2B60-D5A0-11CF-BFC7444553540000}
SYSTEM_INPUT_NAME Mouse
SYSTEM_INPUT_REMARKS SYSTEM_GAMEPAD_AXIS 3 SYSTEM_GAMEPAD_BUTTON 8 SYSTEM_GAMEPAD_FOV 0
SYSTEM_INPUT {6F1D2B61-D5A0-11CF-BFC7444553540000}
SYSTEM_INPUT_NAME Keyboard
SYSTEM_INPUT_REMARKS SYSTEM_GAMEPAD_AXIS 0 SYSTEM_GAMEPAD_BUTTON 128 SYSTEM_GAMEPAD_FOV 0
SYSTEM_INPUT {35125D90-C656-11E3-8001444553540000}
SYSTEM_INPUT_NAME G300s Optical Gaming Mouse
SYSTEM_INPUT_REMARKS SYSTEM_GAMEPAD_AXIS 0 SYSTEM_GAMEPAD_BUTTON 0 SYSTEM_GAMEPAD_FOV 0
SYSTEM_INPUT {33EBD480-BB62-11E4-8001444553540000}
SYSTEM_INPUT_NAME Razer BlackWidow Chroma
SYSTEM_INPUT_REMARKS SYSTEM_GAMEPAD_AXIS 0 SYSTEM_GAMEPAD_BUTTON 573 SYSTEM_GAMEPAD_FOV 0
SYSTEM_INPUT {355D17C0-BB62-11E4-8002444553540000}
SYSTEM_INPUT_NAME Razer BlackWidow Chroma
SYSTEM_INPUT_REMARKS SYSTEM_GAMEPAD_AXIS 0 SYSTEM_GAMEPAD_BUTTON 3 SYSTEM_GAMEPAD_FOV 0
SYSTEM_INPUT {36EA4770-BB62-11E4-8003444553540000}
SYSTEM_INPUT_NAME Razer BlackWidow Chroma
SYSTEM_INPUT_REMARKS SYSTEM_GAMEPAD_AXIS 0 SYSTEM_GAMEPAD_BUTTON 1 SYSTEM_GAMEPAD_FOV 0
SYSTEM_INPUT {37493050-BB62-11E4-8004444553540000}
SYSTEM_INPUT_NAME Razer BlackWidow Chroma
SYSTEM_INPUT_REMARKS SYSTEM_GAMEPAD_AXIS 0 SYSTEM_GAMEPAD_BUTTON 1 SYSTEM_GAMEPAD_FOV 0