There could be a bunch of reasons. Maybe her schedule didn't align, or the casting directors had other preferences for the character. It's hard to say for sure.
Maybe she wasn't available or wasn't offered the role. Who knows?
It could be that the script or character didn't quite fit with her interests or availability at the time. Sometimes, actors have to make choices based on a variety of factors beyond our knowledge.
Maybe she had scheduling conflicts or other commitments that prevented her from taking the role.
It could be that the role didn't fit her current interests or that she wasn't offered the part for various behind-the-scenes reasons.
Perhaps there were personal reasons or creative differences that led to her not being involved in the production. Sometimes these decisions are complex and involve multiple factors beyond our immediate knowledge.
Maybe she had scheduling conflicts or personal reasons that prevented her from coming back.
Maybe she had scheduling conflicts or other commitments that prevented her from returning.
Maybe she had scheduling conflicts or other commitments that prevented her from being part of it.
Maybe she had scheduling conflicts or personal reasons that prevented her from taking part.
Maybe she had other commitments or personal reasons that prevented her from leaving. It's hard to say for sure without knowing more details.
Maybe she had scheduling conflicts or personal reasons. We might not know the exact details.