وَكَالدُّعَاءِ وَالِالْتِمَاسِ
It can also function as supplication or entreaty.
When a prohibition-shaped utterance is addressed to God, it serves supplication, not an attempt by a servant to command the Lord. In Rabbanā lā tuʾākhidhnā (“Our Lord, do not take us to task”), the speaker beseeches divine forgiveness.
The morphology is that of a prohibition, but the speech situation reverses the interpersonal stance: humility and dependence replace authority. This illustrates why syntax and rhetorical function must both be considered.