1041 Grantor trust has to override line 4 Capital gain for 0 dollar amount. Software doesn't let to e-file. If cancel override still putting dollar amount on line 4. ???

Trying to e-file Grantor trust tax return. Having a problem with e-file. Software keeps putting dollar amount on line 4 Capital Gain (from Schedule D) which is then making conflict with type of trust (Grantor trust). Override line  doesn't let to e-file.