diff --git a/poem_server/app/views.py b/poem_server/app/views.py
index 897e544..21bc171 100644
--- a/poem_server/app/views.py
+++ b/poem_server/app/views.py
@@ -9,26 +9,39 @@ def get_random_line(params):
 
 @route_get('lines/about',args={'topic': str})
 def get_random_line_about(params):
-    return {'line': Line.objects.filter(clean_text__contains=params['topic']).random().text}
+    try:
+        return {'line': Line.objects.filter(clean_text__contains=params['topic']).random().text}
+    except:
+        raise BadRequest(f"Error 400: Sorry, there are no lines containing {params['topic']}.")
 
 @route_get('lines/rhyme',args={'rhyme': str})
 def get_random_line_that_rhymes_with(params):
-    return {'line': Rhyme.get_rhyme_for_word(params['rhyme']).lines.exclude(clean_text__endswith=params['rhyme']).random().text}
+    try:
+        return {'line': Rhyme.get_rhyme_for_word(params['rhyme']).lines.exclude(clean_text__endswith=params['rhyme']).random().text}
+    except:
+        raise BadRequest(f'Error 400: Sorry, there are no lines that rhyme with {params['topic']}.')
 
 @route_get('couplets/random',args={})
 def get_random_couplet(params):
-    first_line=Line.objects.random()
-    second_line=first_line.rhyming_lines().random()
-    return {'lines': [first_line.text,second_line.text]}
+        first_line=Line.objects.random()
+        second_line=first_line.rhyming_lines().random()
+        return {'lines': [first_line.text,second_line.text]}
 
 @route_get('couplets/about',args={'topic': str})
 def get_random_couplet_about(params):
-    first_line=Line.objects.filter(clean_text__contains=params['topic']).random()
-    second_line=first_line.rhyming_lines().random()
-    return {'lines': [first_line.text,second_line.text]}
+    try:
+        first_line=Line.objects.filter(clean_text__contains=params['topic']).random()
+        second_line=first_line.rhyming_lines().random()
+        return {'lines': [first_line.text,second_line.text]}
+    except:
+        raise BadRequest(f'Error 400: Sorry, there are not lines that contain the word {params['topic']}.')
 
 @route_get('couplets/rhyme',args={'rhyme': str})
 def get_random_couplet_that_rhymes_with(params):
-    first_line = Rhyme.get_rhyme_for_word(params['rhyme']).lines.exclude(clean_text__endswith=params['rhyme']).random()
-    second_line = first_line.rhyming_lines().random()
-    return {'lines': [first_line.text,second_line.text]}
+    try:
+        first_line = Rhyme.get_rhyme_for_word(params['rhyme']).lines.exclude(clean_text__endswith=params['rhyme']).random()
+        second_line = first_line.rhyming_lines().random()
+        return {'lines': [first_line.text,second_line.text]}
+    except:
+        raise BadRequest(f'Error 400: Sorry, there are not at least two lines that rhyme with {params['topic']}.')
+