1) The mistake was due to an obvious undersight in the project plan.

2) The undersight in the budget caused the project to go over cost.

3) It was an unfortunate undersight to not double-check the calculations.

4) The research paper had an undersight in properly citing sources.

5) The undersight in scheduling the meeting led to conflicts with other events.

6) Failing to consider all possibilities was an undersight in the decision-making process.

7) The undersight in communication caused confusion among team members.

8) The undersight in preparing for the presentation resulted in a lackluster delivery.

9) Not reviewing the contract thoroughly was an undersight with serious consequences.

10) The undersight in updating the software led to compatibility issues.