Re: Not Allowed To Place in Build Mode

@QuoteMeeSaluteMe  The usual cause for this is an outdated or incompatible version of one of TwistedMexi's mods, so I'd start there.  The mods should be updated for the current patch level (1.77) in a day or two, so keep an eye out for a newer version.

If you don't have any TwistedMexi mods, or removing them doesn't help, you can use the 50/50 method to sort through your mods:

https://modthesims.info/wiki.php?title=Game_Help:Finding_Problem_Custom_Content#The_50.25_Method