Unsupported cipher or incorrect key length. Supported ciphers are: aes-128-cbc, aes-256-cbc, aes-128-gcm, aes-256-gcm.

The solution for this is noted below

Unsupported cipher or incorrect key length. Supported ciphers are: aes-128-cbc, aes-256-cbc, aes-128-gcm, aes-256-gcm.

Solution

php artisan key:generate
php artisan optimize
php artisan config:cache

Try other methods by searching on the site. That is if this doesn’t work