/target command always says "x" is not a valid target, no matter the formatting

When submitting a bug report, please use the below template and thoroughly fill out the necessary information.

Date & Time: 14:10 CEST
Frequency: Always
World name: Gilgamesh
Character name: Botond Mezei
Retainer name: none
NPC name: none
Monster name: none
Class/Level: Black mage/90
Party or solo: Both
In-game time: 13:00ish
Area and coordinates: n/a
Housing: None
Steps:
1. Find an NPC, Monster or Player
2. Type /target {first word of npc name}
3. Type /target "{npc full name}"
*Add more steps if necessary

Connection Specs
- Type of internet connection/provider: n/a
- Modem maker/model number: n/a

■ PC Specs

To obtain the system information, open the FFXIV launcher and select Config → System Information → Display.

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

-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-


Laptop Model Name: n/a
Laptop Model Number: n/a

Gamepad Manufacturer: n/a
Gamepad Model Name: n/a
Gamepad Part Number: n/a

Browser Information
- Name and version of the browser currently in-use: Firefox
- Internet Explorer Version: n/a