Rex's DynamicText error

Phaser 3
1

Im using rex’s dynamic text plugin in my current project and ran into an error

object is not iterable (cannot read property Symbol(Symbol.iterator))

When i trying to spawn it in create of my scene like that:

var text = this.add.rexDynamicText({  
            x: 841.5,
            y: 658.5,
            width: 132,
            height: 61,

            background: {
                color: null,
                color2: null,
                horizontalGradient: true,
        
                stroke: null,
                strokeThickness: 2,
        
                cornerRadius: 0,
                cornerIteration: null
            },

            style: {
                bold: true,
                fontSize: '45px',
                fontFamily: 'Inter',
                color: '#fff',
                backgroundColor: null,
                backgroundHeight: undefined,
                backgroundBottomY: undefined,
            },
        });
        text.setText('400');

I installed plugin in accordance with the documentation(docs)