This prayer is about acknowledging to Allah the bad deeds we have done to invoke the good that He can bring to us.
[ Day 14 Du’a ]اللَّهُمَّ لا تَحْرِمْنِي خَيْرَ مَا عِنْدَكَ لِشَرِّ مَا عِنْدِي
“O Allah dont forbid me from the good you have, for the evil I have.”