How To Fix SD771 - Invalid link type &

SD771 - Overview

• Message type: E = Error

• Message class: SD - Online doc., terminology, translation, help

• Message number: 771

• Message text: Invalid link type &

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 SD771 - Invalid link type & ?

  The SAP error message "SD771 Invalid link type &" typically occurs in the Sales and Distribution (SD) module when there is an issue with the configuration or data related to the link types used in the system. This error can arise in various scenarios, such as during the creation of sales documents, delivery processing, or when trying to access certain functionalities that involve link types.
  
  Cause:
  
  Incorrect Link Type Configuration: The link type being referenced in the transaction may not be defined correctly in the system or may not exist.
  Data Inconsistencies: There may be inconsistencies in the master data or transaction data that reference the link type.
  Custom Development Issues: If there are custom developments or enhancements in the system, they may be incorrectly referencing link types.
  Missing Authorizations: Sometimes, the user may not have the necessary authorizations to access certain link types.
  
  
  Solution:
  
  
  Check Link Type Configuration:
  
  Go to the configuration settings in SAP (Transaction SPRO).
  Navigate