# Error sending OBS : RES.Reference number

![](http://documenta.tacisatransitaria.com/uploads/images/gallery/2024-11/Yvq9QrMjrmvNzW1P-embedded-image-0yljzd5u.png)

<span style="color: rgb(60, 64, 67); background-color: rgb(245, 245, 245);">Fill in the Customs Entry box and return</span>