I have created a Customer Infotype using TCode PM01. It works fine.I am able to enter data using transaction PA30 and choosing my customer infotype and clicking create. Everything is fine till here.
Now I modified its structure and added some fields, and put those fields in the screen, and declared them in my module pool of the infotype as well. I activated the infotype. its fine.
Now when I try to make some entries in my customer infotype using PA30, the fields which were present before are ok - I am abl;e to enter data in them.But the fields I added later in my infotype are all GREYED and I am not able to put data in those fields. Please suggest what to do.