How To Fix BB064 - Assign item & only once

SAP Error Message - Details

• Message type: E = Error

• Message class: BB - Coding Block

• Message number: 064

• Message text: Assign item & only once

What causes this issue?

You have specified item &v1& for field &V2& as well as for field &V3&.
You can only assign one field to each item.

System Response

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

How to fix this error?

You can only assign one field to each item. Assign one of the fields
above to an item that has not been used.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message BB064 - Assign item & only once ?

  The SAP error message BB064 "Assign item & only once" typically occurs in the context of SAP's Material Management (MM) or Sales and Distribution (SD) modules when there is an attempt to assign a specific item (like a material or service) to a document (like a purchase order or sales order) more than once. This can happen in various scenarios, such as when creating or modifying documents.
  Cause:
  
  Duplicate Assignment: The most common cause of this error is that the item you are trying to assign has already been assigned to the document or another document.
  Configuration Issues: There may be configuration settings in the system that restrict the assignment of certain items to multiple documents.
  Data Integrity Issues: There could be issues with the data integrity in the system, such as inconsistencies in the database.
  
  Solution:
  
  Check Existing Assignments: Review the document you are working on to see if the item is already assigned. If it is, you may need to modify or remove the existing assignment before adding it again.
  Use Unique Items: Ensure that you are using unique items for each assignment. If you need to assign similar items, consider creating a new item number or variant.
  Review Configuration: If you suspect that the issue is related to configuration, consult with your SAP administrator or functional consultant to review the settings related to item assignments.
  Data Consistency Check: Run data consistency checks to ensure that there are no underlying issues with the data in the system. This may involve checking for orphaned records or inconsistencies in the database.
  Consult Documentation: Refer to SAP documentation or help resources for more specific guidance related to the module you are working in.
  
  Related Information:
  
  Transaction Codes: Depending on the context, you may be using transaction codes like ME21N (Create Purchase Order), VA01 (Create Sales Order), etc.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  User Authorization: Ensure that you have the necessary authorizations to perform the actions you are attempting, as sometimes authorization issues can lead to unexpected errors.
  
  If the problem persists after trying the above solutions, it may be beneficial to engage with SAP support or your internal IT team for further investigation.