Account Merge error - Primary Key cannot be updated - requisition has a NULL sequence

When merging accounts, the user gets the following SQL error

SQL Server - Primary Key cannot be updated.

When running a trace, the error is referencing the rqglcon table in the database

• Account Merge

• Requisition Entry

The Sequence is blank in the Line Items on a requisition that the original account is tied to

Review the requisitions that are using the Original Account to verify that the Sequence is defined on all Line Items within Requisition Entry. 

Contact Enterprise ERP General Ledger Support or Enterprise ERP Purchasing Support for assistance.