in src/objects/serverside/utils.js [266:277]
static normalizeDobm (dobm: string) {
if (dobm.length === 1) {
dobm = '0' + dobm;
}
const dobm_int = parseInt(dobm);
if (dobm_int < 1 || dobm_int > 12) {
throw new Error("Invalid format for dobm:'" + dobm + "'.Please use 'MM' format for dobm.")
}
return dobm;
}