Getting this error while submitting expense report EXM-The value Document payee site is required.(EX

EXM-The value Document payee site is required. (EXM--1) EXM-The value Document payee site is required. Cause The message, EXM-The value Document payee site is required., can not be accessed. Action Report this problem to an administrator.

While submitting an credit card expense line item, I cannot submit the report as it is showing the above error message. What could be the reason for this.