diff --git a/src/main/resources/sql/functions/comment/comment.sql b/src/main/resources/sql/functions/comment/comment.sql
index 1d8c537..7288577 100644
--- a/src/main/resources/sql/functions/comment/comment.sql
+++ b/src/main/resources/sql/functions/comment/comment.sql
@@ -15,7 +15,7 @@ begin
         insert into comment_on_constitution (id, created_by_id, target_id, content, parent_comment_id)
         values (_new_id, _created_by_id, _target_id, _content, _parent_comment_id);
     else
-        raise exception 'comment with target as "%", is no implemented', reference::text;
+        raise exception 'comment with target as "%", is not implemented', reference::text;
     end if;
     _id = _new_id;
 end;
diff --git a/src/main/resources/sql/functions/follow/follow.sql b/src/main/resources/sql/functions/follow/follow.sql
index e415103..5f845d1 100644
--- a/src/main/resources/sql/functions/follow/follow.sql
+++ b/src/main/resources/sql/functions/follow/follow.sql
@@ -15,7 +15,7 @@ begin
         values (_created_by_id, _target_id)
         on conflict (created_by_id, target_id) do nothing;
     else
-        raise exception '% no implemented', reference::text;
+        raise exception '% no implemented for follow', reference::text;
     end if;
 end;
 $$;
diff --git a/src/main/resources/sql/functions/vote/vote.sql b/src/main/resources/sql/functions/vote/vote.sql
index 11abe20..d0324bf 100644
--- a/src/main/resources/sql/functions/vote/vote.sql
+++ b/src/main/resources/sql/functions/vote/vote.sql
@@ -31,7 +31,7 @@ begin
           anonymous = excluded.anonymous,
           updated_at = now();
     else
-        raise exception '% no implemented', reference::text;
+        raise exception '% no implemented for vote', reference::text;
     end if;
 
     select count_vote(reference, _target_id) into resource;
diff --git a/src/main/resources/sql/migrations/0000-init_schema.up.sql b/src/main/resources/sql/migrations/0000-init_schema.up.sql
index 47acc8d..e6363b4 100644
--- a/src/main/resources/sql/migrations/0000-init_schema.up.sql
+++ b/src/main/resources/sql/migrations/0000-init_schema.up.sql
@@ -77,7 +77,7 @@ begin
         order by version_number desc
         limit 1;
     else
-        raise exception '% is not implemented', tablename::text;
+        raise exception '% is not implemented for function "generate_version_number"', tablename::text;
     end if;
 
     if not found then
@@ -103,7 +103,7 @@ begin
         where c.version_id = _version_id
           and c.last_version = true;
     else
-        raise exception '% is not implemented', tablename::text;
+        raise exception '% is not implemented for function "set_all_version_to_old"', tablename::text;
     end if;
 end;
 $$;
@@ -145,7 +145,7 @@ begin
         where c1.version_id = _version_id
           and c1.id = c3.id;
     else
-        raise exception '% is not implemented', tablename::text;
+        raise exception '% is not implemented for function "set_correct_last_version"', tablename::text;
     end if;
 end;
 $$;