How To Fix ML066 - The list sequence must not contain any gaps

SAP Error Message - Details

• Message type: E = Error

• Message class: ML - Purchasing: Supplier Evaluation

• Message number: 066

• Message text: The list sequence must not contain any gaps

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 ML066 - The list sequence must not contain any gaps ?

  The SAP error message ML066, which states "The list sequence must not contain any gaps," typically occurs in the context of material management and inventory management processes. This error is related to the sequence of list numbers or document numbers that are expected to be continuous without any gaps.
  
  Cause:
  The error usually arises due to one of the following reasons:
  
  
  Missing Document Numbers: There may be missing document numbers in the sequence that the system expects. For example, if you have a sequence of document numbers from 1 to 10, but number 5 is missing, the system will throw this error.
  
  
  Incorrect Configuration: The configuration settings for number ranges in the relevant document type may not be set up correctly, leading to gaps in the expected sequence.
  
  
  Data Entry Errors: Manual data entry errors can lead to gaps in the sequence if documents are not created or posted correctly.
  
  
  Deletion of Documents: If documents were