Error facing in creating service plan After upgrade from 3.18. To 3.19

[nspinternet]

Please Remember, this project is free and open source, and @ibnux don't get any money from this project, and if you post something not a bug, just you dont understand how to install it, you will get blocked from this Repository.
Post it in Discussion if you don't understand. Except you pay for $50 for support

Describe the bug
A clear and concise description of what the bug is. Error connecting to router is not a bug, is your router port is not accessable, ask community for help, go to discussion or telegram group

To Reproduce
Steps to reproduce the behavior:

1. Go to '...'
2. Click on '....'
3. Scroll down to '....'
4. See error

Expected behavior
A clear and concise description of what you expected to happen.

Screenshots
If applicable, add screenshots to help explain your problem.

Additional context
Add any other context about the problem here.

[nspinternet]

[nspinternet]

if i edit pppoe plan or i m adding new pppoe plan. then i m facing this error

[ibnux]

Update database

[nspinternet]

Sir I have also updated the database and checked but still same issue

[nspinternet]