Selec not working

[halpz]

I cannot select an Xcode version:

...
26.0 (17A324)
26.0.1 (17A400)
26.0.1 (17A400)
26.1 (17B55)
26.1 (17B55)
26.1.1 (17B100)
26.1.1 (17B100)
26.2 (17C52)
26.2 (17C52)
26.3 (17C529)
26.3 (17C529)
26.4 (17E192)
26.4 (17E192)
paul@M-FVFFL27ZQ05P ~ % xcodes select 26.4
Available Xcode versions:
Enter the number of the Xcode to select: 26.4
Not a valid number. Expecting a whole number between 1-0, but given 26.4.
paul@M-FVFFL27ZQ05P ~ %