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Super Batch Error: Duplicate Member ID found

Error when creating a super batch: Duplicate Member ID found, unselect records from one employee and process separately.

Error / Issue Description

This error occurs when you have more than two or more employees with the same Member ID within the Superannuation Batch. 

This can often occur when an employer is using a default superannuation fund and is using the same initial member ID against the employee record. Generally, this is something like “UNKNOWN” or “DEFAULT”.

When creating a super batch within MYOB Acumatica, the system has validation checks to ensure no duplicate member IDs are being included within the batch. This validation will also prevent contributions where multiple employees have contributions for the same fund using the default member ID e.g. “UNKNOWN”.

Screenshot 2025-09-17 140020

 

Disclaimer: This information about how to use MYOB Acumatica is of a generic nature and is based on information supplied by MYOB. Not to be relied on for legal, accounting or employment advice. Data in screenshots is fictional and any resemblance to real personal information is coincidental. BusinessHub makes no warranties in relation to and is not responsible for information contained in third party websites.

Resolution

If the number of employees using the default member ID is small, you can get around the error by processing their contributions in separate batches. 

Alternatively, if the number of employees using the default member ID is on the larger side, it may not be as efficient to separate them out each time you are processing super. 

In this case, we would recommend either:

  • Reach out to your default superannuation fund provider to obtain the individual employee’s member IDs. You can then update the member ID recorded against the superannuation line in the employees Standard Pay. 
  • After the employee has been included in an initial batch with the default member ID, consider updating their superannuation member ID to a different unique identifier. An example of a unique identifier could be the employee ID from MYOB

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