Laura,
You may also want to try the "Merge blank New & Reset file" into your .PLN file before you re-share it.
http://archicad-talk.graphisoft.com/viewtopic.php?t=973&highlight=merge+reset
David Larrew, AIA, GDLA, GSRC
Architectural Technology Specialist
a r c h i S O L U T I O N S
WIN7-10/ OSX 10.15.7
AC 5.1-25 USA