J1INCHLN when should I use error control mode checkbox (in ECC 6.0 - EHP5)

Hi Experts,

I am using t-code J1INCHLN for creating remittance Challan.

But in ECC6, EHP 5 there is new functionality added & no documentation available for same.

There is one field with tick option called Error Control Mode.so when should i use this functionality.

Can anyone help on this?

Regrds

shailesh