R-PROV means
why genetic code is arbitraryif yesthen prov ur anser
The code has expired or never existed (just made up).
Invalid code.
invalid code
invalid ZIP Code
invalid code
This is an invalid error code. Please check the code again to make sure you have it copied correctly.
The Latin root word "prov" means to test or to prove something. It is used in words like "prove," "provide," and "approval."
Invalid zip code.
32251 is an invalid CPT code
its because the code is already used!