Error 457: This Key is Already Associated with an Element of this Collection

Article ID

11643

Article Name

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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