Hi Charlotte,
Thank you for reaching out.
Regarding the database issue, could you please check the following forum post and let us know if it resolves the problem for you?
https://www.joomshaper.com/forum/question/45311
If the issue still persists after following the steps in that post, please let us know the exact error message you're seeing, and we'll be happy to investigate further.
As for styling the off-canvas menu, please let us know what specific changes you'd like to make (e.g. colors, typography, spacing, hover effects, width, etc.), and we'll be glad to guide you.
Best regards,