custom script hotkey not saving on mt4 platform

 
After I created custom order script and assigning custom hotkeys, I'm having issues with the hotkeys saving. When I exit MT4 and reopen it the hotkeys are not assigned to the scripts anymore. any suggestions?
 

1353 worked just fine. Something you are doing wrong.

Are you assigning already taken ones (e.g navigator=cntl+n)?

Reason: