message: Add validation of the form on mount
diff: @@ -70,8 +70,9 @@ export function FormikStepper<T>({ children, ...props }: GenericFormProps<T>) {
  helpers.setTouched({})
  }
  }}
  + validateOnMount
  validateOnBlur>
  - {({ isSubmitting, handleSubmit }) => (
  + {({ isSubmitting, handleSubmit, isValid }) => (
  <Form onSubmit={handleSubmit} className={classes.container} autoComplete="off">
  <Stepper alternativeLabel activeStep={step}>
  {childrenArray.map((child, index) => (
  @@ -105,6 +106,7 @@ export function FormikStepper<T>({ children, ...props }: GenericFormProps<T>) {
  </Grid>
  <Grid item xs={12} md={6}>
  <LoadingButton
  + disabled={!isValid}
  fullWidth
  type="submit"
  variant="contained"
  