Maybe the creators wanted to introduce a new element or character dynamic for the story.
It could be that the original mom's character didn't fit the new plot or theme of the Christmas story. Sometimes changes are made to keep things fresh and interesting.
Perhaps there were casting or scheduling issues that prevented the original mom from being included. Or, the story might have taken a different direction that didn't require her presence.
Maybe there were scheduling conflicts or creative decisions made by the filmmakers. It's hard to say for sure.
Maybe the actress wasn't available or the director wanted to go for a different casting choice.
It could be that the story focused on new characters and storylines, so the original mom wasn't necessary. Or perhaps there were scheduling conflicts with the actress.
Maybe there was a scheduling conflict for the actress or a creative decision by the filmmakers.
Maybe she had other commitments or was out of town for some reason.
It could be that the focus of the story shifted away from the mom this time around. Maybe the creators wanted to explore other characters or storylines and didn't have much space for her.
It could be for a variety of reasons. Maybe the story needed a new dynamic or there were scheduling conflicts. Sometimes creative decisions are made to give the story a fresh twist.
There could be a variety of reasons. Maybe she wasn't interested in the project, or the script didn't fit her schedule. It could also be that the producers had other casting ideas in mind.
There could be a variety of reasons. Maybe she wasn't interested in the project, or the director had a different vision for the cast. Sometimes, personal or professional commitments can prevent an actor from taking on a particular role.
Maybe she had scheduling conflicts or wasn't offered the role. It's hard to say for sure without more information.