I merged I3722 with I6165 (removed family F2860)
I merged I3721 and I6164 (removed F2860)
I merged F1997 and F2860 and got error
GEDCOM record successfully deleted.
Updating linked record I6165
ERROR 20: Invalid GEDCOM 5.5 format. Updating linked record I6164
ERROR 20: Invalid GEDCOM 5.5 format. Updating linked record F2860
ERROR 20: Invalid GEDCOM 5.5 format. Adding HUSB from F1997
Adding WIFE from F1997
Adding MARR from F1997
Attached a small GEDCOM file with the involved individuals and families.
I removed the media-files from the clipping-cart.