Why No Super Over in India vs Sri Lanka 1st ODI is a blunder from officials?

The first ODI between Sri Lanka and India was tied after both teams scored 230 in their respective innings. However, the umpires failed to conduct a super over to decide the winner.

The first ODI between Sri Lanka and India was tied after both teams scored 230 in their respective innings. However, the umpires failed to conduct a super over to decide the winner.