It may be inactive from screen configuration.
Check the settings as below :
This tick option must be unticked.
Check my blog post A brief interpretation about field selection and screen layout used in MM , point no. 3 for more details.
It may be inactive from screen configuration.
Check the settings as below :
This tick option must be unticked.
Check my blog post A brief interpretation about field selection and screen layout used in MM , point no. 3 for more details.