How To Fix MM711 - Vendor item number cannot be changed; vendor is blocked

MM711 - Overview

• Message type: E = Error

• Message class: MM - Messages for material master maintenance and Customizing

• Message number: 711

• Message text: Vendor item number cannot be changed; vendor is blocked

What causes this issue?

You want to change the vendor item number for the vendor. The master
data for the vendor may include personal data and is blocked.

System Response

To protect personal data, you cannot change the vendor item number for
this vendor.

How to fix this error?

If you are sure that you want to display or change the vendor item
number, use transaction <DS><DS:TRAN.BUP_REQ_UNBLK>BUP_REQ_UNBLK</></>
to request unblocking.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MM711 - Vendor item number cannot be changed; vendor is blocked ?

  The SAP error message MM711 indicates that a vendor item number cannot be changed because the vendor is blocked. This typically occurs in the Materials Management (MM) module when attempting to modify vendor-related data for a material that is associated with a vendor that has been marked as blocked in the system.
  
  Cause:
  
  
  Vendor Blocked: The primary reason for this error is that the vendor in question has been blocked for purchasing or other activities. This could be due to various reasons such as:
  
  Poor performance or quality issues.
  Financial issues or disputes.
  Administrative decisions to temporarily or permanently block the vendor.
  
  
  
  Data Integrity: SAP enforces data integrity rules to prevent changes that could lead to inconsistencies or issues in procurement processes.
  
  
  
  Solution:
  To resolve the MM711 error, you can take the following steps:
  
  
  Check Vendor Status:
  
  Go to the vendor master data (transaction code XK03 for general view or MK03 for purchasing view).
  Enter the vendor number and check the