﴿ قَالَ لَهُم مُّوسَىٰ وَيْلَكُمْ لَا تَفْتَرُوا۟ عَلَى ٱللَّهِ كَذِبًۭا فَيُسْحِتَكُم بِعَذَابٍۢ ۖ وَقَدْ خَابَ مَنِ ٱفْتَرَىٰ ﴾

“Said Moses to them: "Woe unto you! Do not invent lies against God, lest He afflict you with most grievous suffering: for He who contrives [such] a lie is already undone!"”

Please check ayah 20:64 for complete tafsir.