Add an error message to not let users generate a graph with a non used hashtag with the media-effectiveness command
Add an error message when using media-effectiveness with a non existing hashtag.
Ticket 7 & 9 done.
Add an error message to not let users generate a graph with a non used hashtag with the media-effectiveness command
Add an error message when using media-effectiveness with a non existing hashtag.
Media-effectiveness works with non used Hashthag
Media-effectiveness will generate an empty chart with non used Hashtag
Media-effectiveness will generate an empty chart with non used Hashtag