SanDisk Connect WPA2 PSK Character Limitations

What are the charater limitations within the Pre-shared key/passphrase on 3.04 with WPA2 (Internet connection)?

My passphrase gets rejected with “Password Incorrect Re-enter password” message within the Sandisk Connect app - the passphrase contains the following characters #,%,$

If I try a passphase without these characters it works fine - I setup a temporary guest WPA2-passphrase network with a passphrase with only letters and numbers.

try it without the %

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