Login Issue just after new installation

I installed Home Assistant twice on an SD card and followed the steps. I took pictures on my phone in case I forget my username or password. The installation stopped just after creating the credentials. I had to power down and up the Raspberry Pi 4 to input my credentials, but then I encountered an error with the username or password.
Is there an issue with the software?
Thank you for your input.

After many tries I figured out that HA does not like CAPITAL Letter, the password could not have a capital letter in it.. thx for reading my post.

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This really should be called out, preferably in all caps, red, with the blink tag on the actual page, not buried in the man pages or the help forums. Could have saved myself several hours today if I had known what to search for.
New to HAOS, and newb level at linux, but decades working with dos/win - password requirements should be easy for new users to find.