April 2019
I moved a sim into another sim's household and I want to turn them from roommates to mother and child but I either get a "cannot edit pre-existing sim or the only options I get are "sister/brother, roommate or wife/husband." I changed their ages and the cheats are on both testingcheats true and cas.fulleditmode but it still doesn't give me the parent/child option.
April 2019 - last edited April 2019
These relations must be set before the game starts and later unless you have MCCC mod, nothing can be done.
But this can be solved differently.
You can save all these sims to the library. Enter with these sims in the CAS outside the game and set these relationships between them.
Switch to a random family in order to save the game and remove the family you played from the game. Then enter this family from the library again into this game on an empty plot. They lose all friends and money but their careers and skills will stay. You can add money to them with the motherlode code and put them in their old home.
I don't work for EA
May 2019
May 2019
May 2019
relationship.add_bit <yoursimID> <targetsimID> <relationshipBit>
So, if your grandchild ID is 123 and grandparent is 789, it would look like this:
relationship.add_bit 123 789 family_grandchild
That being said, I have no idea if this cheat works anymore. A lot of cheats (like the skill cheats) were taken out of the game a few months ago. There is a mod out there that will re-enable them. Try searching for TwistedMexi sims4cheats or viewing https://www.carls-sims-4-guide.com section on cheats for more info/help.
May 2019
May 2019 - last edited May 2019
The relationship cheats might have been disabled. You may have better luck searching for the mods that I mentioned in the other post.
Did you try the solutions that @kreatora posted? It seems that following the steps to save to library would be an easier way to get the relationships you're after. Or use MCCC
August 2019
I tried this method and it works! Thanks a lot!
September 2019
January 2020 - last edited January 2020
I know I'm a little late, but I had this problem when I made a brother and sister and forgot to edit their relationship before placing them in game. I fixed it by going into manage world and editing their household. I added another sim and set it's relationship to their mother and it automatically changed their relationship and then I deleted the sim. So I assume if you wish to do it with a mother/child for example, make another child, set them as siblings, then delete the unwanted one.
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