Execution Results Summary 为什么是这样呢？

bitisight

Task: Task1
  Total runs:      339
  Feasible runs:   146
  Infeasible runs: 193
  Failed runs:     0
  Database file:   gbfinal5156.db

Execution Results are not available for this Task.
Either the Task has not been successfully run or the
plan used does not support the Results Summary mode.

Execution Results Feasibility = 9 有好多个，为什么仍然出现上面的提示？