https://community.graphisoft.com/t5/Documentation/Reindexing-Results-in-Lost-Composites/m-p/320989#M48695 <P>I used the Reindexing button to help organize and synchronize some project files. When I was finished, I discovered that my wall assemblies had gone missing. While reindexing, I did see messages that either said "no problem" and others that said "you'll lose something if you do this"&nbsp;</P><P>&nbsp;</P><P>Can someone tell me why? or what I might have overlooked as I did this?&nbsp;</P><P>&nbsp;</P><P>Something similar happens occasionally when I delete and attribute and replace the instances of it with another attribute.</P> Mon, 15 Nov 2021 13:59:05 GMT Aaron Bourgoin 2021-11-15T13:59:05Z https://community.graphisoft.com/t5/Documentation/Reindexing-Results-in-Lost-Composites/m-p/320989#M48695 <P>I used the Reindexing button to help organize and synchronize some project files. When I was finished, I discovered that my wall assemblies had gone missing. While reindexing, I did see messages that either said "no problem" and others that said "you'll lose something if you do this"&nbsp;</P><P>&nbsp;</P><P>Can someone tell me why? or what I might have overlooked as I did this?&nbsp;</P><P>&nbsp;</P><P>Something similar happens occasionally when I delete and attribute and replace the instances of it with another attribute.</P> Mon, 15 Nov 2021 13:59:05 GMT https://community.graphisoft.com/t5/Documentation/Reindexing-Results-in-Lost-Composites/m-p/320989#M48695 Aaron Bourgoin 2021-11-15T13:59:05Z