1. Lack of interest. Large script.
2. Very simple errors.
3. Errors clearly state what is wrong.
4. Merging 2 different plugins into 1, don't know why or your intent or reason not to use both separately.
Looks like you've only just started scripting, so you need to take the time and initiative to read and learn.
You could have googled the error e.g. "sourcemod undefined symbol" and found several answers within seconds.
Simply fixing the issue for you probably won't help you learn and then you'll post again when stuck at the next step making us write the plugin for you in the end.
"PATCH" is defined twice, need to rename your addition. "sDataFilePath" variable is never defined hence the error message stating so.