Error 457: This Key is Already Associated with an Element of this Collection
Article ID
11643
Article Name
Error 457: This Key is Already Associated with an Element of this Collection
Created Date
6th April 2017
Problem
User gets the error (or similar):
"Error 457 this key already associated with an element of this collection"
Resolution
There is a duplicate entry in the company data causing the problem. This duplicate will need to be removed.
Please email the exact details of the error message along with a brief description of what you were doing to our support team.
Please use the following email address:
IRIS Bureau Payroll / Payroll Business – ipsupport@iris.co.uk
Earnie / Earnie IQ – earniesupport@iris.co.uk
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