Messenger of Allah ﷺ used to invoke Allah in the prayer saying, "O Allah, I seek refuge with you from all sins, and from being in debt." Someone said, O Messenger of Allah ﷺ! (I see you) very often you seek refuge with Allah from being in debt. He replied, "If a person is in debt, he tells lies when he speaks, and breaks his promises when he promises."  

أَنَّ رَسُولَ اللَّهِ ﷺ كَانَ يَدْعُو فِي الصَّلاَةِ وَيَقُولُ اللَّهُمَّ إِنِّي أَعُوذُ بِكَ مِنَ الْمَأْثَمِ وَالْمَغْرَمِ فَقَالَ لَهُ قَائِلٌ مَا أَكْثَرَ مَا تَسْتَعِيذُ يَا رَسُولَ اللَّهِ مِنَ الْمَغْرَمِ قَالَ إِنَّ الرَّجُلَ إِذَا غَرِمَ حَدَّثَ فَكَذَبَ وَوَعَدَ فَأَخْلَفَ