How To Fix /ACCGO/MCK_MAINT526 - An entry already exists with specific material &1

SAP Error Message - Details

• Message type: E = Error

• Message class: /ACCGO/MCK_MAINT -

• Message number: 526

• Message text: An entry already exists with specific 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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message /ACCGO/MCK_MAINT526 - An entry already exists with specific material &1 ?

  The SAP error message /ACCGO/MCK_MAINT526 An entry already exists with specific material &1 typically occurs in the context of the Material Ledger or when trying to maintain certain master data related to materials. This error indicates that there is already an existing entry for the specified material in the system, which is causing a conflict when you attempt to create or modify an entry.
  
  Cause:
  
  Duplicate Entry: The most common cause is that there is already a record for the specified material in the relevant table or configuration that you are trying to modify or create.
  Incorrect Data Entry: Sometimes, the error can arise from incorrect data entry or an attempt to create a record that should not be duplicated.
  
  Configuration Issues: There may be configuration settings that prevent the creation of multiple entries for the same material.
  
  
  Solution:
  
  
  Check Existing Entries: 
  
  Use transaction codes like SE16 or SE11 to check the relevant database tables (e.g.,