Surah Ash-Shu'ara 26:213

فَلَا تَدْعُ مَعَ ٱللَّهِ إِلَـٰهًا ءَاخَرَ فَتَكُونَ مِنَ ٱلْمُعَذَّبِينَ

So do not invoke with Allāh another deity and [thus] be among the punished.

Translation: Saheeh International

Tafsir

So do not invoke any other god with God lest you be among the chastised — if you were to do what they call you to.

Excerpt from Tafsir al-Jalalayn, commentary on 26:213, via Quran.com. The reader has the full commentary and 9 more tafsirs.