This is when data edits are in place and working correctly, yet still fail to prevent incorrect data from being entered into the system. An example of this is an alphanumeric address field that allows spaces to be entered before any numbers or letters in the address. Therefore, when searches or sorts are performed on the address field, the search or sort may not find the intended address.This is when data edits are in place and working correctly, yet still fail to prevent incorrect data from being entered into the system. An example of this is an alphanumeric address field that allows spaces to be entered before any numbers or letters in the address. Therefore, when searches or sorts are performed on the address field, the search or sort may not find the intended address.