Okay somehow you posted on the UK site but I assume you are using US product.

The 940 is an annual form only (unemployment) and even if you owe something for Q1 it would have to be more than $500 before you are required to make a deposit. There is no quarterly filing of a 940 and forms for 2019 would not be available until year end or even early january. The payroll software will have calculated your current 940 liability and you can pay it but there is no form to file