How To Fix CRM_UIU_BT301 - Undefined Reference Type: &1 &2 &3 &4

CRM_UIU_BT301 - Overview

• Message type: E = Error

• Message class: CRM_UIU_BT -

• Message number: 301

• Message text: Undefined Reference Type: &1 &2 &3 &4

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message CRM_UIU_BT301 - Undefined Reference Type: &1 &2 &3 &4 ?

  The SAP error message "CRM_UIU_BT301 Undefined Reference Type: &1 &2 &3 &4" typically occurs in the context of SAP CRM (Customer Relationship Management) when there is an issue with the reference type in the Business Transaction (BT) framework. This error indicates that the system is unable to recognize or find the specified reference type, which can lead to issues in processing business transactions.
  Causes:
  
  Missing Configuration: The reference type may not be properly configured in the system. This could be due to missing entries in the customizing settings.
  Incorrect Data: The data being processed may contain invalid or incorrect reference types that do not exist in the system.
  Transport Issues: If the system has recently undergone a transport of changes, the reference types may not have been transported correctly.
  Custom Development: If there are custom developments or enhancements, they may not be correctly implemented or may reference non-existent types.
  
  Solutions:
  
  
  Check Configuration:
  
  Navigate to the customizing settings in