Provide assistance to Ms. Arlene regarding the issue raise by Warehouse on the F6-view function on the Option 11 of MTS Maintenance. When pressing the function error message appeared.
Step:
1. Replicate the error by simulating the process. Upon pressing F6 function indeed an error appeared. Check the details of the error by pressing F10. Error showed "Subfile record not found"
2. Cascade issue to ERP group for debugging c/o Edgar 
3. Validate if working by accessing the function again.
4. Instruct Ms. Arlene to ask warehouse to access the menu again.