Ultimate POS Invalid License details fix
1) navigate to this directory app\Http\Controllers\Install Backup old InstallController.php
2) extract and replace new InstallController.php file
then install again
localhost link to update pos/public/install/update
localhost link to install pos/public/install/update
if it is asking license again. give any random numbers,Username and email
enjoy
Tested on ultimate pos 4.8 (updated from 4.7.6)

1) navigate to this directory app\Http\Controllers\Install Backup old InstallController.php
2) extract and replace new InstallController.php file
then install again
localhost link to update pos/public/install/update
localhost link to install pos/public/install/update
if it is asking license again. give any random numbers,Username and email
enjoy
Tested on ultimate pos 4.8 (updated from 4.7.6)
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