How To Fix WSTI_DOC005 - You have already entered material &1.

WSTI_DOC005 - Overview

• Message type: E = Error

• Message class: WSTI_DOC - Messages from Function Group WSTI_DOC

• Message number: 005

• Message text: You have already entered material &1.

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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WSTI_DOC005 - Details

• SAP Error Message:
  WSTI_DOC005: You have already entered material &1.
  
  
  Cause:
  This error occurs in SAP when you try to enter a material that has already been entered in the same document or transaction. Typically, this happens in processes like Goods Receipt, Goods Issue, or other inventory-related transactions where the system expects unique material entries per line or item. The system detects a duplicate material entry and prevents it to avoid inconsistencies or redundant data.
  
  When does it occur?
  
  During creation or editing of a document (e.g., delivery, goods movement, production order confirmation).
  When the same material number is entered more than once in the item overview or detail screen.
  In transactions or custom programs where material entries must be unique per document.
  
  
  
  Solution:
  
  
  Check for Duplicate Entries:
  
  Review the document or transaction screen to identify if the material number has been entered more than once.
  Remove or consolidate duplicate material entries if they are not required.
  
  
  
  If Multiple Entries Are Required:
  
  Some