Hello
Apologies for the inconvenience.
Please clear your Joomla and Browser Cache. Input your email and license key to Joomla 4.0.x. admin area: Components > SP Page Builder Pro > Pages > Options > License & Update. Insert email address and license key to their respective fields. Use the same email you entered while signing up for JoomShaper account.
Note: any extra space will result in an error. Save & Close the settings.
Clear browser cache. Your License Key is located in your Dashboard.
You can follow the link below:
https://www.joomshaper.com/documentation/sp-page-builder/sp-page-builder-3/how-to-tips
Have you tried all the steps here properly? Could you kindly check, please?