How To Fix CRM_MKTLIST_ADMIN048 - Invalid function call; buffer already contains items from external list

SAP Error Message - Details

• Message type: E = Error

• Message class: CRM_MKTLIST_ADMIN - CRM Marketing: Messages External List Management

• Message number: 048

• Message text: Invalid function call; buffer already contains items from external list

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CRM_MKTLIST_ADMIN048 - Invalid function call; buffer already contains items from external list ?

  The SAP error message CRM_MKTLIST_ADMIN048 indicates that there is an issue with the marketing list management in the SAP Customer Relationship Management (CRM) module. Specifically, the error states that there is an "Invalid function call; buffer already contains items from external list." This typically occurs when there is an attempt to add items to a marketing list that already contains items from an external source, which is not allowed in certain contexts.
  Cause:
  
  Buffer State: The error usually arises when the system is trying to add new items to a marketing list that has already been populated with items from an external list. The internal buffer is not cleared or reset before the new operation.
  Incorrect Sequence of Operations: The sequence of operations performed on the marketing list may not be correct, leading to this error.
  Data Integrity Issues: There may be issues with the data integrity or the way the external list is being handled.
  
  Solution:
  
  Clear the Buffer: Before attempting to add new items to the marketing list, ensure that the buffer is cleared. This can often be done by navigating to the relevant transaction or function and resetting the list.
  Check the Sequence of Operations: Review the steps taken to manipulate the marketing list. Ensure that you are following the correct sequence of operations as defined by SAP guidelines.
  Use the Correct Functionality: If you are trying to merge or append items from an external list, ensure that you are using the correct function that allows for this operation.
  Review External List Handling: If you are working with external lists, ensure that they are being handled correctly and that the system is not trying to mix internal and external items improperly.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidelines on managing marketing lists and external lists.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide patches or updates that could resolve the issue.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CRMD_ORDER, CRMD_MKTLIST, or others that pertain to marketing list management.
  SAP Community: Engage with the SAP Community forums or support channels for additional insights or similar experiences from other users.
  Testing: If possible, replicate the issue in a test environment to better understand the conditions that lead to the error and to test potential solutions without affecting production data.
  
  If the problem persists after trying the above solutions, it may be necessary to involve your SAP support team or consult with an SAP expert for further assistance.