no problem with that

(there is) no problem with that

That is not an issue or problem for me; there is no disagreement with that. A: "We insist on interest being paid on the initial amount, given the considerable delay." B: "There is no problem with that." A: "Can I borrow the car? I promise I'll have it back before 9 o'clock, and I'll make sure the tank is full." B: "Sure, no problem with that."
See also: no, problem, that
Farlex Dictionary of Idioms.

(I have) no problem with that.

That is okay with me. (See also No problem.) Bob: Is it okay if I sign us up to play mixed doubles? Sally: I have no problem with that. Bill: It looks as though we will have to come back later. They're not open yet. Is that all right? Jane: No problem with that. When do they open?
See also: no, problem, that
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.
See also:
  • (there is) no problem with that
  • at issue
  • issue
  • a difference of opinion
  • in dispute
  • a bone of contention
  • bone of contention
  • contention
  • handbags at dawn
  • handbags at ten paces