Message type: E = Error
Message class:  MDG_BS_SUPPL_BOLUI - MDG: messages for Supplier UI related issues 
Message number: 055
Message text: You cannot delete purchasing org. &1 of supplier &2. It has active data.
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The SAP error message MDG_BS_SUPPL_BOLUI055 indicates that you are trying to delete a purchasing organization for a supplier, but the system has detected that there is active data associated with that purchasing organization. This means that there are existing records or transactions that prevent the deletion.
Cause: The primary cause of this error is that the purchasing organization you are attempting to delete has active data linked to it. This could include: Open purchase orders Contracts Invoices Other transactional data that references the purchasing organization
Solution: To resolve this error, you need to ensure that there is no active data associated with the purchasing organization you want to delete. Here are the steps you can take: Check for Active Data: Review the purchasing organization for any open purchase orders, contracts, or other transactions. You can use transaction codes like ME23N (Display Purchase Order) or ME31K (Create Contract) to check for existing records. Close or Delete Transactions: If you find any active
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