“And He is with them when they plot by night in speech that He does not approve,” meaning: what the Ansari said—that the Jew had stolen it.
﴿وَهُوَ مَعَهُمْ إِذْ يُبَيِّتُونَ مَا لَا يرضى من القَوْل﴾ يَعْنِي: مَا قَالَ الْأنْصَارِيّ: إِن الْيَهُودِيّ سَرَقهَا.