TTS - in principle has to do with the release of NextGen, you must set up the phone/system and find proper lang/voice files. Browse TTS NG section.

General error poi (Canada.poi) - there is a high possibility that the file is damaged. Bad download or bad file on server - result is the same.

It is not recommended to mix contents of different editions. Files that are more or less independent (buildings) can be used in different editions. But files which are closely related with fbl - hnr, fjw, ftr etc, all in map folder, must be same edition.

You need to find proper Canada's maps/content by yourself. Generally, this is a European forum, NNG is mostly EU oriented, people from here exchange and share files.
The content of other parts of the world we get a very few.