What is the meaning of Err?

ISO 639-3 language code for Erre.

To make a mistake.

To sin.

to stray.

Elongated form of er (“sound of hesitation”).

dark, darkness

to darken

to delay/keep until dark

to blind

to make miserable

The name of the Latin script letter R/r.

The name of the Latin script letter R/r.

The name of the Latin script letter R/r.

The name of the Latin script letter R/r.

The name of the Latin script letter R/r.

Source: wiktionary.org