The website says it is up to 50 pcb of 2 layers, when you simulate this option appears, however after loading the GERBER, the SMT option only appears with up to 30 pcb, if you put 50 pcb it disables SMT option.
Taking advantage of the topic, do you plan to increase limit of pcbs assembly SMT?
![screenshot-cart.jlcpcb.com-2020.06.25-00_21_28.png](//image.easyeda.com/pullimage/bsqpNmfDj2dVgk0djCsplKvU4UKpCYm0AZK8ZXTZ.png)
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