Argument cannot be negative

The negative argument will be interpreted as a very large unsigned value. Negative value used as argument to a function expecting a positive value (for example, size of buffer or allocation)
/src/mongo/crypto/fle_crypto.cpp:473: NEGATIVE_RETURNS 122015 Assigning: "rho" = "reader->getDocumentCount()".
/src/mongo/crypto/fle_crypto.cpp:505: NEGATIVE_RETURNS 122015 "rho" is passed to a parameter that cannot be negative.