while writing the code i faced the following errors
this is about matching different databases.
somee errors of variables came out.your text
Enclosed the code and errors:
[ part 1](https://i.stack.imgur.com/36FVs.png)
[ part 2](https://i.stack.imgur.com/uHL4w.png)
[ part 3](https://i.stack.imgur.com/hgf8s.png)
[Errors](https://i.stack.imgur.com/O9BAF.png)
I hope some guys can support this issue, as I got stuck during the coding process.