"Error fired in : Module MNTools - Class bas_DatabasesTampon - Function DataBufferSynchronisation_Bulk tblCompte -> tblCompte" message when opening Business Manager

The "Error fired in : Module MNTools - Class bas_DatabasesTampon - Function DataBufferSynchronisation_Bulk tblCompte -> tblCompte" message occurs because there are duplicate accounts.
Products affected: Business Manager

Issue

When opening Business Manager, the message "Error fired in : Module MNTools - Class bas_DatabasesTampon - Function DataBufferSynchronisation_Bulk tblCompte -> tblCompte" appears.

Cause

There are duplicate accounts.

Resolution

Check the most recently added accounts for duplicates. If duplicate accounts exist, delete one of them.

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UPDATED: May 11, 2023