diff --git a/internal/db/roles.go b/internal/db/roles.go
index 855cc0a..63ad810 100644
--- a/internal/db/roles.go
+++ b/internal/db/roles.go
@@ -112,7 +112,7 @@ func RoleGet(ctx context.Context, user_id, person_id string) (role models.Role,
 			return
 		}
 		pgErr := err.(*pgconn.PgError)
-		if pgErr.Code == "22P02" || pgErr.Code == "22007" {
+		if pgErr.Code == "22P02" {
 			err = fmt.Errorf("%s", pgErr.Message)
 			statusCode = http.StatusBadRequest
 		} else {
@@ -140,7 +140,7 @@ func RoleAdd(ctx context.Context, user_id, name string) (role models.Role, statu
 	err = row.Scan(&role.ID, &role.Name)
 	if err != nil {
 		pgErr := err.(*pgconn.PgError)
-		if pgErr.Code == "22P02" || pgErr.Code == "22007" {
+		if pgErr.Code == "22P02" {
 			err = fmt.Errorf("%s", pgErr.Message)
 			statusCode = http.StatusBadRequest
 		} else if pgErr.Code == "23505" {
@@ -177,7 +177,7 @@ func RoleUpdate(ctx context.Context, user_id, role_id string, values map[string]
 			commandTag, err = tx.Exec(ctx, fmt.Sprintf("UPDATE roles SET %s=NULLIF($2, '') WHERE id=$1", field), role_id, value)
 			if err != nil {
 				pgErr := err.(*pgconn.PgError)
-				if pgErr.Code == "22P02" || pgErr.Code == "22007" {
+				if pgErr.Code == "22P02" {
 					err = fmt.Errorf("%s", pgErr.Message)
 					statusCode = http.StatusBadRequest
 				} else if pgErr.Code == "23505" {