Error when Updating to PHP 7.0 from 5.4 (Kirby 1.1.2)

[texnixe]

@Ebbel

Notice: Array to string conversion

Try to put curly braces around $parts[0] in this line:

$this->params->$parts[0] = $parts[1];

$this->params->{$parts[0]} = $parts[1];