What is the ruling on the intention for 'Umrah with the following wording: "Labbayk Allahumma 'Umrah, on my behalf if my first 'Umrah was invalid, and on behalf of my grandfather if my 'Umrah is valid"? Is this considered hesitation in the root of the intention, so that the ihram is not contracted, or hesitation in the reward, so that it is contracted on one's own behalf? And if it is hesitation in the root of the intention, do the circumambulation (tawaf) and the ritual walking (sa'i) after this ihram count for the first 'Umrah if it contained an error?

If the hesitation is in the origin of the intention, then it invalidates the worship. As for the hesitation caused by doubt about the validity of the first 'Umrah, if the first 'Umrah was invalid, then the second one counts for himself. If it was valid, then it counts for his grandfather. The Prophet (peace and blessings be upon him) approved 'Ali when he entered into ihram with the same intention as the Prophet (peace and blessings be upon him). Al-Shafi'i held that ihram differs from prayer and fasting, in that it is permissible for the pilgrim to intend ihram on behalf of another or with an unspecified intention, and it is sufficient. However, if a person makes a mistake in 'Umrah or Hajj, he must consult scholars to know what is required of him. As for doubts or whispers that arise after the completion of 'Umrah, they have no value and should not be paid attention to.