21-JUN-2021 I received this message, “Due to the numerical limitations on immigrant visa issuance prescribed by law, this petition is not eligible for further processing at this time. The National Visa Center (NVC) will retain the petition until an immigrant visa becomes available. The NVC will notify the petitioner, principal applicant, or attorney of record when this petition is eligible for further processing “ I wanted to know if anyone knows how long it can take and if it is normal.