How To Fix 8B656 - The type of item &1 does not match the types of the preceeding items

SAP Error Message - Details

• Message type: E = Error

• Message class: 8B - Localization (Brazil)

• Message number: 656

• Message text: The type of item &1 does not match the types of the preceeding items

What causes this issue?

You have used a combination of different itemtypes within one document
that might cause problems in reporting. Only the following types should
be combined within the same document:
itemtype 31 - Subcontracting component shipment item - and
itemtype 33 - Subcontracting component symbolic shipment item or
itemtype 21 - Returnable packaging shipment item - and any other
itemtype.
If you have chosen a combination of types 31 and 33, then the item with
type 31 should always be the first item in the Nota Fiscal (main 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?

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message 8B656 - The type of item &1 does not match the types of the preceeding items ?

  The SAP error message 8B656 indicates that there is a mismatch in the types of items in a document or transaction. This typically occurs in scenarios where a document is being processed that contains multiple line items, and the system expects all items to be of the same type or category. 
  Cause:
  The error can arise due to several reasons:
  
  Inconsistent Item Types: The line items in a document (like a purchase order, sales order, or invoice) may have different item categories (e.g., some items may be services while others are materials).
  Incorrect Configuration: The configuration settings in the system may not allow for mixed item types in a single document.
  Data Entry Errors: Manual entry errors where the user inadvertently selects different item types for the same document.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Review Line Items: Check the line items in the document to ensure that they are all of the same type. If they are not, you may need to separate them into different documents based on their item types.
  
  
  Adjust Configuration: If your business process requires mixed item types in a single document, you may need to adjust the configuration settings in SAP. This may involve consulting with your SAP administrator or functional consultant to allow for mixed item types.
  
  
  Correct Data Entry: If the error is due to incorrect data entry, correct the item types in the document before saving or processing it.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for specific guidelines on item types and their configurations.
  
  
  Check User Authorizations: Ensure that the user has the necessary authorizations to create or modify documents with mixed item types, if applicable.
  
  
  Related Information:
  
  Transaction Codes: Depending on the context of the error, you may be working in various transaction codes such as ME21N (Create Purchase Order), VA01 (Create Sales Order), or FB60 (Enter Incoming Invoice).
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance.
  Testing: After making changes, test the document creation process again to ensure that the error does not recur.
  
  If the issue persists after following these steps, it may be beneficial to engage with SAP support or your internal IT team for further investigation.