The prohibition of asking too much with no need. The prohibition of withholding the rights of others and asking of them, which means refusing to give others their rights and asking for that to which one is not entitles
حَدَّثَنَا أَبُو بَكْرِ بْنُ أَبِي شَيْبَةَ، حَدَّثَنَا إِسْمَاعِيلُ ابْنُ عُلَيَّةَ، عَنْ خَالِدٍ الْحَذَّاءِ، حَدَّثَنِي ابْنُ أَشْوَعَ، عَنِ الشَّعْبِيِّ، حَدَّثَنِي كَاتِبُ الْمُغِيرَةِ بْنِ شُعْبَةَ، قَالَ كَتَبَ مُعَاوِيَةُ إِلَى الْمُغِيرَةِ اكْتُبْ إِلَىَّ بِشَىْءٍ سَمِعْتَهُ مِنْ رَسُولِ اللَّهِ صلى الله عليه وسلم . فَكَتَبَ إِلَيْهِ أَنِّي سَمِعْتُ رَسُولَ اللَّهِ صلى الله عليه وسلم يَقُولُ " إِنَّ اللَّهَ كَرِهَ لَكُمْ ثَلاَثًا قِيلَ وَقَالَ وَإِضَاعَةَ الْمَالِ وَكَثْرَةَ السُّؤَالِ " .
Sha'bi reported that the scribe of al-Mughira b. Shu'ba said: Mu'awiya wrote to Mughira: Write for me something which you heard from Allah's Messenger (ﷺ) ; and he wrote: I heard Allah's Messenger (ﷺ) as saying. Verily Allah disapproves three thingq for you: irrelevant talk, wasting of wealth and persistent questioning.