in src/objects/serverside/utils.js [248:259]
static normalizeDobd (dobd: string) {
if (dobd.length === 1) {
dobd = '0' + dobd;
}
const dobd_int = parseInt(dobd);
if (dobd_int < 1 || dobd_int > 31) {
throw new Error("Invalid format for dobd:'" + dobd + "'.Please use 'DD' format for dobd.")
}
return dobd;
}