can not edit text or get text properties in autocad

can not edit text or get text properties in autocad 

Can't - edit - text - properties -autocad
This happening due to system variable set to 0 accordingly set system variable to 1 to solve the problem do the followings. ===>

1. Type in command line PICKFIRST
2. Hit enter key
3. Enter new value for PICKFIRST-1
4. Hit enter key

now you can edit text or you can get properties of text