If you face problem below On QAD, you can go to to Connection Manager menu, Below Detail :
See for pts/TO.
And open menu “Connection Manager”, Then you see pts/tO. You can press Close Button on the right, then user can go through to next step.
This problem show possible due to Double transaction or Stuck on a lot of process.
You also can use Character instead of QAD.NET to solve this problem:
Select menu 8
Select Menu 1
Select menu which database process, (Usually Live Database).
Type tH (if this process that need to close), Then Press Enter.
Note: All depend on your system, Can be use alphabet or numerik.