From fc42a1bbf35c9fee8900d7d0fa9f61ab9eff8b26 Mon Sep 17 00:00:00 2001
From: Luke Cowell <lcowell@gmail.com>
Date: Fri, 4 Dec 2015 14:56:21 -0800
Subject: [PATCH] provide user with more descriptive error message

---
 field.go | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/field.go b/field.go
index a56dbe51..9e6891c8 100644
--- a/field.go
+++ b/field.go
@@ -3,6 +3,7 @@ package gorm
 import (
 	"database/sql"
 	"errors"
+	"fmt"
 	"reflect"
 )
 
@@ -44,7 +45,7 @@ func (field *Field) Set(value interface{}) error {
 		if reflectValue.Type().ConvertibleTo(field.Field.Type()) {
 			field.Field.Set(reflectValue.Convert(field.Field.Type()))
 		} else {
-			return errors.New("could not convert argument")
+			return fmt.Errorf("could not convert argument of field %s from %s to %s", field.Name, reflectValue.Type(), field.Field.Type())
 		}
 	}