Sunan Ibn Majah
1666
Daif+2

It was narrated from ‘Abdur-Rahman bin ‘Awf that the Messenger of Allah (ﷺ) said:“The one who fasts Ramadan while traveling is like one who breaks his fast when not traveling.” Abu Ishaq said: "This Hadith is of no significance

DaifAl-Albani
DaifMuhammad Fouad Abd al-Baqi