Do not allow change in rates of transacted Lots
YouTube: How to Restrict Editing of Already Transacted Lots/ Batches in Purchase?
How to Restrict Editing of Already Transacted Lots/ Batches in Purchase?
This tutorial explains how to enable a setting in Logic ERP that prevents modification of rates for lots that have already been transacted, ensuring pricing consistency and data integrity.
Enable the Setting in Logic Admin
Open the Logic installation folder.
Launch Logic Admin.
Go to Global Settings.
Navigate to the Purchase tab.
Enable the checkbox labeled: “Do not allow change in rates of transacted Lots”.

Click Save to apply the changes.
Restart the Logic ERP software to activate the setting.
Implement the Restriction in a Purchase Voucher
Open Logic ERP and create a Purchase Voucher.
Select a lot (e.g., Lot 1299) and modify its rate.
Save the voucher.
Attempt to Change the Rate Again
Try to create another purchase entry for the same item and lot.
Press F5 to edit/view the rate for the selected lot.
You will observe that the rate cannot be changed, as the restriction is now enforced.

Summary
This feature ensures that once a lot has been used in a transaction, its rate is locked to maintain consistency across all purchase entries. It is especially useful for audit control and preventing unintentional pricing discrepancies.
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