* [task#140627,done,0.2h] fix bug.

module/task/lang/de.php

@@ -340,6 +340,7 @@ $lang->task->error->endLtExecution    = "The 'Deadline' of the task must be grea
 $lang->task->error->dateExceed        = "Because the scheduled date of task %s exceeds the scheduled date of {$lang->execution->common}, it is automatically changed to the scheduled date of {$lang->execution->common}";
 $lang->task->error->length            = "Length exceeds the limit of %d characters, cannot be saved. Please modify it again.";
 $lang->task->error->emptyParentName   = "Contains subtasks, task names cannot be empty.";
+$lang->task->error->noTestTask        = "Please select at least one {$lang->SRCommon}.";
 
 /* Report. */
 $lang->task->report = new stdclass();

module/task/lang/en.php

@@ -340,6 +340,7 @@ $lang->task->error->endLtExecution    = "The 'Deadline' of the task must be grea
 $lang->task->error->dateExceed        = "Because the scheduled date of task %s exceeds the scheduled date of {$lang->execution->common}, it is automatically changed to the scheduled date of {$lang->execution->common}";
 $lang->task->error->length            = "Length exceeds the limit of %d characters, cannot be saved. Please modify it again.";
 $lang->task->error->emptyParentName   = "Contains subtasks, task names cannot be empty.";
+$lang->task->error->noTestTask        = "Please select at least one {$lang->SRCommon}.";
 
 /* Report. */
 $lang->task->report = new stdclass();

module/task/lang/fr.php

@@ -340,6 +340,7 @@ $lang->task->error->endLtExecution    = "The 'Deadline' of the task must be grea
 $lang->task->error->dateExceed        = "Because the scheduled date of task %s exceeds the scheduled date of {$lang->execution->common}, it is automatically changed to the scheduled date of {$lang->execution->common}";
 $lang->task->error->length            = "Length exceeds the limit of %d characters, cannot be saved. Please modify it again.";
 $lang->task->error->emptyParentName   = "Contains subtasks, task names cannot be empty.";
+$lang->task->error->noTestTask        = "Please select at least one {$lang->SRCommon}.";
 
 /* Report. */
 $lang->task->report = new stdclass();

module/task/lang/zh-cn.php

@@ -340,7 +340,7 @@ $lang->task->error->endLtExecution    = "任务截止日期应大于等于%s的
 $lang->task->error->dateExceed        = "任务%s的计划日期超过该{$lang->execution->common}计划日期，将自动改为{$lang->execution->common}的计划日期。";
 $lang->task->error->length            = "长度超过了%d个字符，无法保存，请修改后再试";
 $lang->task->error->emptyParentName   = "包含子任务，任务名称不能为空。";
-
+$lang->task->error->noTestTask        = "请至少选择一个{$lang->SRCommon}。";
 /* Report. */
 $lang->task->report         = new stdclass();
 $lang->task->report->common = '报表';

module/task/zen.php

@@ -1172,6 +1172,12 @@ class taskZen extends task
      */
     protected function checkCreateTestTasks(array $tasks): bool
     {
+        if(empty($tasks))
+        {
+            dao::$errors[] = $this->lang->task->error->noTestTask;
+            return false;
+        }
+
         foreach($tasks as $rowID => $task)
         {
             $index = $rowID + 1;