BTW - I do not interpret "other parties do not have such a problem" as "other parties have no problem." but as "other parties do not have this particular problem"

such
s?t?/
determiner, predeterminer, & pronoun
determiner: such; pronoun: such

    1.
    of the type previously mentioned.
    "I have been involved in many such courses"
    2.
    of the type about to be mentioned.
    "there is no such thing as a free lunch"

DtG