diff --git a/content/repository.go b/content/repository.go
index e5c7b16..717310b 100644
--- a/content/repository.go
+++ b/content/repository.go
@@ -11,6 +11,7 @@ import (
 	"path/filepath"
 	"strings"
 
+	cueError "cuelang.org/go/cue/errors"
 	"github.com/cueblox/blox"
 	"github.com/graphql-go/graphql"
 
@@ -18,7 +19,6 @@ import (
 	"github.com/cueblox/blox/internal/encoding/markdown"
 	"github.com/cueblox/blox/internal/repository"
 	"github.com/goccy/go-yaml"
-	"github.com/hashicorp/go-multierror"
 	"github.com/hashicorp/go-plugin"
 	"github.com/pterm/pterm"
 )
@@ -91,8 +91,6 @@ func NewService(bloxConfig string, referentialIntegrity bool) (*Service, error)
 }
 
 func (s *Service) build() error {
-	var errors error
-
 	err := s.parseRemotes()
 	if err != nil {
 		return err
@@ -104,6 +102,8 @@ func (s *Service) build() error {
 		return err
 	}
 
+	var errors cueError.Error
+
 	for _, dataSet := range s.engine.GetDataSets() {
 		pterm.Debug.Printf("\t\tBuilding Dataset: %s\n", dataSet.ID())
 
@@ -113,7 +113,7 @@ func (s *Service) build() error {
 
 		err := os.MkdirAll(dataSetDirectory, 0o755)
 		if err != nil {
-			errors = multierror.Append(err)
+			errors = cueError.Append(errors, cueError.Promote(err, "MkdirAll Failed"))
 			continue
 		}
 
@@ -140,7 +140,7 @@ func (s *Service) build() error {
 				pterm.Debug.Println(slug)
 				bytes, err := ioutil.ReadFile(path)
 				if err != nil {
-					return multierror.Append(err)
+					return cueError.Append(errors, cueError.Promote(err, "ReadFile Failed"))
 				}
 
 				// Loaders to get to YAML
@@ -159,7 +159,7 @@ func (s *Service) build() error {
 
 				err = yaml.Unmarshal(bytes, &istruct)
 				if err != nil {
-					return multierror.Append(err)
+					return cueError.Append(errors, cueError.Promote(err, "YAML Unmarshal Failed"))
 				}
 
 				record := make(map[string]interface{})
@@ -167,7 +167,7 @@ func (s *Service) build() error {
 
 				err = s.engine.Insert(dataSet, record)
 				if err != nil {
-					return multierror.Append(err)
+					return cueError.Append(errors, cueError.Promote(err, "CueDB Insert Failed"))
 				}
 
 				return err
@@ -175,14 +175,19 @@ func (s *Service) build() error {
 		)
 
 		if err != nil {
-			errors = multierror.Append(err)
+			errors = cueError.Append(errors, cueError.Promote(err, "Data Walk Errors"))
 		}
 	}
 
 	if s.ri {
 		err := s.engine.ReferentialIntegrity()
 		if err != nil {
-			errors = multierror.Append(err)
+			errors = cueError.Append(errors, cueError.Promote(err, "Referential Integrity Failed"))
+			for _, v := range cueError.Errors(errors) {
+				pterm.Error.ShowLineNumber = false
+				pterm.Error.Println(v)
+				pterm.Error.ShowLineNumber = true
+			}
 		}
 	}
 
diff --git a/go.mod b/go.mod
index 46f63c2..4807b38 100644
--- a/go.mod
+++ b/go.mod
@@ -14,7 +14,6 @@ require (
 	github.com/graphql-go/handler v0.2.3
 	github.com/h2non/filetype v1.1.1
 	github.com/hashicorp/go-hclog v0.16.2
-	github.com/hashicorp/go-multierror v1.0.0
 	github.com/hashicorp/go-plugin v1.4.2
 	github.com/heimdalr/dag v1.0.1
 	github.com/lib/pq v1.9.0 // indirect
diff --git a/go.sum b/go.sum
index b21545c..6b65af7 100644
--- a/go.sum
+++ b/go.sum
@@ -136,7 +136,6 @@ github.com/h2non/filetype v1.1.1 h1:xvOwnXKAckvtLWsN398qS9QhlxlnVXBjXBydK2/UFB4=
 github.com/h2non/filetype v1.1.1/go.mod h1:319b3zT68BvV+WRj7cwy856M2ehB3HqNOt6sy1HndBY=
 github.com/hashicorp/consul/api v1.1.0/go.mod h1:VmuI/Lkw1nC05EYQWNKwWGbkg+FbDBtguAZLlVdkD9Q=
 github.com/hashicorp/consul/sdk v0.1.1/go.mod h1:VKf9jXwCTEY1QZP2MOLRhb5i/I/ssyNV1vwHyQBF0x8=
-github.com/hashicorp/errwrap v1.0.0 h1:hLrqtEDnRye3+sgx6z4qVLNuviH3MR5aQ0ykNJa/UYA=
 github.com/hashicorp/errwrap v1.0.0/go.mod h1:YH+1FKiLXxHSkmPseP+kNlulaMuP3n2brvKWEqk/Jc4=
 github.com/hashicorp/go-cleanhttp v0.5.1/go.mod h1:JpRdi6/HCYpAwUzNwuwqhbovhLtngrth3wmdIIUrZ80=
 github.com/hashicorp/go-hclog v0.14.1/go.mod h1:whpDNt7SSdeAju8AWKIWsul05p54N/39EeqMAyrmvFQ=
@@ -144,7 +143,6 @@ github.com/hashicorp/go-hclog v0.16.2 h1:K4ev2ib4LdQETX5cSZBG0DVLk1jwGqSPXBjdah3
 github.com/hashicorp/go-hclog v0.16.2/go.mod h1:whpDNt7SSdeAju8AWKIWsul05p54N/39EeqMAyrmvFQ=
 github.com/hashicorp/go-immutable-radix v1.0.0/go.mod h1:0y9vanUI8NX6FsYoO3zeMjhV/C5i9g4Q3DwcSNZ4P60=
 github.com/hashicorp/go-msgpack v0.5.3/go.mod h1:ahLV/dePpqEmjfWmKiqvPkv/twdG7iPBM1vqhUKIvfM=
-github.com/hashicorp/go-multierror v1.0.0 h1:iVjPR7a6H0tWELX5NxNe7bYopibicUzc7uPribsnS6o=
 github.com/hashicorp/go-multierror v1.0.0/go.mod h1:dHtQlpGsu+cZNNAkkCN/P3hoUDHhCYQXV3UM06sGGrk=
 github.com/hashicorp/go-plugin v1.4.2 h1:yFvG3ufXXpqiMiZx9HLcaK3XbIqQ1WJFR/F1a2CuVw0=
 github.com/hashicorp/go-plugin v1.4.2/go.mod h1:5fGEH17QVwTTcR0zV7yhDPLLmFX9YSZ38b18Udy6vYQ=
diff --git a/internal/cuedb/engine.go b/internal/cuedb/engine.go
index b8a1b43..15c4f9c 100644
--- a/internal/cuedb/engine.go
+++ b/internal/cuedb/engine.go
@@ -7,7 +7,6 @@ import (
 
 	"cuelang.org/go/cue"
 	"github.com/cueblox/blox"
-	"github.com/hashicorp/go-multierror"
 	"github.com/heimdalr/dag"
 	"github.com/pterm/pterm"
 )
@@ -388,7 +387,17 @@ func (r *Engine) ReferentialIntegrity() error {
 					optional = "?"
 				}
 
-				value := r.CueContext.CompileString(fmt.Sprintf("{data: _\n%s: %s: %s%s: or([ for k, _ in data.%s {k}])}", dataSet.GetInlinePath(), dataSet.name, fields.Label(), optional, foreignTable.GetDataDirectory()))
+				var value cue.Value
+				switch fields.Value().IncompleteKind() {
+				case cue.StringKind:
+					value = r.CueContext.CompileString(fmt.Sprintf("{data: _\n%s: %s: %s%s: or([ for k, _ in data.%s {k}])}", dataSet.GetInlinePath(), dataSet.name, fields.Label(), optional, foreignTable.GetDataDirectory()))
+				case cue.ListKind:
+					value = r.CueContext.CompileString(fmt.Sprintf("{data: _\n%s: %s: %s%s: [...or([ for k, _ in data.%s {k}])]}", dataSet.GetInlinePath(), dataSet.name, fields.Label(), optional, foreignTable.GetDataDirectory()))
+				}
+
+				// #names: ["Paul", "Marcel", "cueckoo"]
+				// #validname: or(#names)
+				// #name: #validname | [#validname]
 				if value.Err() != nil {
 					return value.Err()
 				}
@@ -397,6 +406,7 @@ func (r *Engine) ReferentialIntegrity() error {
 				continue
 			}
 
+			// TODO: This behaviour should probably be deprecated soon
 			if strings.HasSuffix(fields.Label(), "_id") {
 				foreignTable, err := r.GetDataSet(strings.TrimSuffix(fields.Label(), "_id"))
 				if err != nil {
@@ -420,7 +430,7 @@ func (r *Engine) ReferentialIntegrity() error {
 
 	err := r.Database.Validate()
 	if err != nil {
-		return multierror.Prefix(err, "Referential Integrity Failed")
+		return err
 	}
 
 	return nil
diff --git a/internal/cuedb/engine_test.go b/internal/cuedb/engine_test.go
index 573f2fb..6899aef 100644
--- a/internal/cuedb/engine_test.go
+++ b/internal/cuedb/engine_test.go
@@ -298,6 +298,7 @@ func TestRelationshipParsing(t *testing.T) {
 		{cueLiteral: "name: string, profile: string", expected: []string{}},
 		{cueLiteral: "name: string, profile: string @relationship(Person)", expected: []string{"Person"}},
 		{cueLiteral: "name: string, profile: string, person: string @relationship(Person)", expected: []string{"Person"}},
+		{cueLiteral: "name: string, profile: string, people: [...string] @relationship(Person)", expected: []string{"Person"}},
 	}
 
 	cueContext := cuecontext.New()
diff --git a/internal/cueutils/utils.go b/internal/cueutils/utils.go
index fd93e24..c8a2f73 100644
--- a/internal/cueutils/utils.go
+++ b/internal/cueutils/utils.go
@@ -6,21 +6,9 @@ import (
 
 	"cuelang.org/go/cue"
 	"cuelang.org/go/cue/ast"
-	"cuelang.org/go/cue/errors"
-	"github.com/hashicorp/go-multierror"
 	"github.com/pterm/pterm"
 )
 
-// UsefulError returns an error that is concatenated from
-// multiple cue errors
-func UsefulError(err error) error {
-	var usefulError error
-	for _, err := range errors.Errors(err) {
-		usefulError = multierror.Append(usefulError, err)
-	}
-	return usefulError
-}
-
 // GetAcceptedValues returns the values constraints
 // for a cue node
 func GetAcceptedValues(node ast.Node) ([]string, error) {