When removing a precondition from a test that has parameters and that has been executed, the export errors out

#{for testExecutions}
    Execution Key: ${TestExecutions[n].Key}
    #{for a=TestExecutions[n].TestRunsCount}
        Run Key: ${TestExecutions[n].TestRuns[a].Key}
        Preconditions:
        #{if (%{'${TestExecutions[n].TestRuns[a].PreConditionsCount}' > 0})}
            #{for c=TestExecutions[n].TestRuns[a].PreConditionsCount}
                Precondition Key: ${TestExecutions[n].TestRuns[a].PreConditions[c].Key}
            #{end}
        #{end}
        #{if (%{!('${TestExecutions[n].TestRuns[a].PreConditionsCount}' > 0)})}
            No preconditions
        #{end}
    #{end}
#{end}