diff --git a/gramps/plugins/graph/gvfamilylines.py b/gramps/plugins/graph/gvfamilylines.py
index 006cd4fb5..5d48734d2 100644
--- a/gramps/plugins/graph/gvfamilylines.py
+++ b/gramps/plugins/graph/gvfamilylines.py
@@ -63,6 +63,7 @@ from gramps.gen.plug.menu import (NumberOption, ColorOption, BooleanOption,
 from gramps.gen.utils.db import get_birth_or_fallback, get_death_or_fallback
 from gramps.gen.utils.location import get_main_location
 from gramps.gen.proxy import CacheProxyDb
+from gramps.gen.errors import ReportError
 
 #------------------------------------------------------------------------
 #
@@ -370,8 +371,8 @@ class FamilyLinesReport(Report):
         # entire list right now and not have to deal with it ever again
         self._interest_set = set()
         if not self._gidlist:
-            self._user.warn(_('Empty report'),
-                            _('You did not specify anybody'))
+            raise ReportError(_('Empty report'),
+                              _('You did not specify anybody'))
         for gid in self._gidlist.split():
             person = self._db.get_person_from_gramps_id(gid)
             if person:
diff --git a/gramps/plugins/graph/gvrelgraph.py b/gramps/plugins/graph/gvrelgraph.py
index 6ed4d3d32..0767e3b5f 100644
--- a/gramps/plugins/graph/gvrelgraph.py
+++ b/gramps/plugins/graph/gvrelgraph.py
@@ -61,6 +61,7 @@ from gramps.gen.relationship import get_relationship_calculator
 from gramps.gen.utils.db import get_birth_or_fallback, get_death_or_fallback
 from gramps.gen.display.place import displayer as _pd
 from gramps.gen.proxy import CacheProxyDb
+from gramps.gen.errors import ReportError
 
 #------------------------------------------------------------------------
 #
@@ -174,6 +175,8 @@ class RelGraphReport(Report):
 
         pid = get_value('pid')
         self.center_person = self._db.get_person_from_gramps_id(pid)
+        if self.center_person is None:
+            raise ReportError(_("Person %s is not in the Database") % pid)
 
         self.increlname = get_value('increlname')
         if self.increlname:
diff --git a/gramps/plugins/textreport/familygroup.py b/gramps/plugins/textreport/familygroup.py
index 02bf24f6c..d6b44ade3 100644
--- a/gramps/plugins/textreport/familygroup.py
+++ b/gramps/plugins/textreport/familygroup.py
@@ -50,6 +50,7 @@ from gramps.gen.plug.docgen import (IndexMark, FontStyle, ParagraphStyle,
                                     INDEX_TYPE_TOC, PARA_ALIGN_CENTER)
 from gramps.gen.display.place import displayer as _pd
 from gramps.gen.proxy import CacheProxyDb
+from gramps.gen.errors import ReportError
 
 #------------------------------------------------------------------------
 #
@@ -671,9 +672,8 @@ class FamilyGroup(Report):
                     self.doc.page_break()
                     step()
         else:
-            self.doc.start_paragraph('FGR-Title')
-            self.doc.write_text(self._("Family Group Report"))
-            self.doc.end_paragraph()
+            raise ReportError(_('Empty report'),
+                              _('You did not specify anybody'))
 
 #------------------------------------------------------------------------
 #
diff --git a/gramps/plugins/textreport/indivcomplete.py b/gramps/plugins/textreport/indivcomplete.py
index 25d2ab855..2d9a9f8fc 100644
--- a/gramps/plugins/textreport/indivcomplete.py
+++ b/gramps/plugins/textreport/indivcomplete.py
@@ -60,6 +60,7 @@ from gramps.gen.utils.file import media_path_full
 from gramps.gen.utils.lds import TEMPLES
 from gramps.gen.proxy import CacheProxyDb
 from gramps.gen.relationship import get_relationship_calculator
+from gramps.gen.errors import ReportError
 
 #------------------------------------------------------------------------
 #
@@ -807,6 +808,9 @@ class IndivCompleteReport(Report):
             ind_list = self.filter.apply(self._db, plist)
         else:
             ind_list = plist
+        if not ind_list:
+            raise ReportError(_('Empty report'),
+                              _('You did not specify anybody'))
 
         for count, person_handle in enumerate(ind_list):
             self.person = self._db.get_person_from_handle(person_handle)