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To be able to run check links on the Account Master in GP when rebuilding the Account Index (https://support.microsoft.com/en-us/help/855963/how-to-re-create-the-account-index-master-table-gl00105-in-microsoft-dynamics-gp), you will need to disable two triggers:
Table GL00100, disable trigger “ittAITAccountMSTR”
Table GL40200, trigger ittAITSegmentDescriptionSETP
After running check links on GP Account Master, re-enable triggers and Run AIT Maintenances – Check Links on the AIT Account Master