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/db/storage/durable_catalog_impl.cpp:987: NEGATIVE_RETURNS 115692 Assigning: "offset" = "md.findIndexOffset(idxName)".
/src/mongo/db/storage/durable_catalog_impl.cpp:989: NEGATIVE_RETURNS 115692 "offset" is passed to a parameter that cannot be negative. [Note: The source code implementation of the function has been overridden by a builtin model.]