diff --git a/cmd/cue/cmd/testdata/partial/eval_conc.out b/cmd/cue/cmd/testdata/partial/eval_conc.out
index 3c83dc1..f2b417e 100644
--- a/cmd/cue/cmd/testdata/partial/eval_conc.out
+++ b/cmd/cue/cmd/testdata/partial/eval_conc.out
@@ -1,2 +1,6 @@
-more than one element remaining (1 and 2):
+sum:more than one element remaining (1 and 2):
     ./testdata/partial/partial.cue:4:6
+b.idx:: invalid non-ground value string (must be concrete int|string):
+    ./testdata/partial/partial.cue:7:7
+b.str:incomplete value (string):
+    ./testdata/partial/partial.cue:8:7
diff --git a/cue/errors/errors.go b/cue/errors/errors.go
index 717cc89..652c0cd 100644
--- a/cue/errors/errors.go
+++ b/cue/errors/errors.go
@@ -18,6 +18,7 @@
 import (
 	"io"
 	"sort"
+	"strings"
 
 	"cuelang.org/go/cue/token"
 	"github.com/mpvl/unique"
@@ -66,6 +67,19 @@
 
 	// Error reports the error message without position information.
 	Error() string
+
+	// Path returns the path into the data tree where the error occurred.
+	// This path may be nil if the error is not associated with such a location.
+	Path() []string
+}
+
+// Path returns the path of an Error if err is of that type.
+func Path(err error) []string {
+	e, ok := err.(Error)
+	if !ok {
+		return nil
+	}
+	return e.Path()
 }
 
 // // TODO: make Error an interface that returns a list of positions.
@@ -102,6 +116,10 @@
 	err error
 }
 
+func (p *posError) Path() []string {
+	return Path(p.err)
+}
+
 // E creates a new error.
 func E(args ...interface{}) error {
 	e := &posError{}
@@ -229,9 +247,36 @@
 	if e.Column() != f.Column() {
 		return e.Column() < f.Column()
 	}
+	if !equalPath(p[i].Path(), p[j].Path()) {
+		return lessPath(p[i].Path(), p[j].Path())
+	}
 	return p[i].Error() < p[j].Error()
 }
 
+func lessPath(a, b []string) bool {
+	for i, x := range a {
+		if i >= len(b) {
+			return false
+		}
+		if x != b[i] {
+			return x < b[i]
+		}
+	}
+	return len(a) < len(b)
+}
+
+func equalPath(a, b []string) bool {
+	if len(a) != len(b) {
+		return false
+	}
+	for i, x := range a {
+		if x != b[i] {
+			return false
+		}
+	}
+	return true
+}
+
 // Sort sorts an List. *posError entries are sorted by position,
 // other errors are sorted by error message, and before any *posError
 // entry.
@@ -243,12 +288,15 @@
 // RemoveMultiples sorts an List and removes all but the first error per line.
 func (p *List) RemoveMultiples() {
 	sort.Sort(p)
-	var last token.Pos // initial last.Line is != any legal error line
+	var last Error
 	i := 0
 	for _, e := range *p {
 		pos := e.Position()
-		if pos.Filename() != last.Filename() || pos.Line() != last.Line() {
-			last = pos
+		if last == nil ||
+			pos.Filename() != last.Position().Filename() ||
+			pos.Line() != last.Position().Line() ||
+			!equalPath(e.Path(), last.Path()) {
+			last = e
 			(*p)[i] = e
 			i++
 		}
@@ -313,6 +361,10 @@
 		}
 	}
 
+	if p := Path(err); p != nil {
+		fmt.Fprintf(w, "%v:", strings.Join(p, "."))
+	}
+
 	if len(positions) == 0 {
 		fmt.Fprintln(w, err)
 		return
diff --git a/cue/types.go b/cue/types.go
index 046a3c5..4425930 100644
--- a/cue/types.go
+++ b/cue/types.go
@@ -1345,9 +1345,8 @@
 	}, nil)
 	if len(list) > 0 {
 		list.Sort()
-		// list.RemoveMultiples() // TODO: use RemoveMultiples when it is fixed
-		// return list
-		return list[0]
+		list.RemoveMultiples() // TODO: use RemoveMultiples when it is fixed
+		return list
 	}
 	return nil
 }