Seldaek/monolog · error · LogicException

Unsupported operation: setting {}

Error message

Unsupported operation: setting {}

What it means

Error "Unsupported operation: setting {}" thrown in Seldaek/monolog.

Source

Thrown at src/Monolog/LogRecord.php:60

    public function offsetSet(mixed $offset, mixed $value): void
    {
        if ($offset === 'extra') {
            if (!\is_array($value)) {
                throw new \InvalidArgumentException('extra must be an array');
            }

            $this->extra = $value;

            return;
        }

        if ($offset === 'formatted') {
            $this->formatted = $value;

            return;
        }

        throw new \LogicException('Unsupported operation: setting '.$offset);
    }

    public function offsetExists(mixed $offset): bool
    {
        if ($offset === 'level_name') {
            return true;
        }

        return isset($this->{$offset});
    }

    public function offsetUnset(mixed $offset): void
    {
        throw new \LogicException('Unsupported operation');
    }

    public function &offsetGet(mixed $offset): mixed
    {

View on GitHub (pinned to 57eb102834)

When it happens

Trigger: Thrown at src/Monolog/LogRecord.php:60 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of Seldaek/monolog@57eb102834 (2026-08-17). Data as JSON: /api/errors/73116e821eef62cb. Report an issue: GitHub.