How To Fix FS526 - Next lot & does not follow sequence

SAP Error Message - Details

• Message type: E = Error

• Message class: FS - Messages from Tax Routines / Prenumbered Checks

• Message number: 526

• Message text: Next lot & does not follow sequence

What causes this issue?

You have specified a next lot which does not follow the ascending
sequence. Example:
Lot,,Next lot
-----------------------------------------------------------------------
0001,,0002
0002,,0003
0003,,0001
The last entry is not allowed for this example.

How to fix this error?

Check the sequence of your lot and enter a next lot which follows this
sequence.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message FS526 - Next lot & does not follow sequence ?

  The SAP error message FS526 "Next lot & does not follow sequence" typically occurs in the context of production planning and inventory management, particularly when dealing with lot management in SAP. This error indicates that the system has detected a discrepancy in the sequence of lot numbers, which can happen during various processes such as goods movements, production orders, or inventory adjustments.
  Cause:
  
  
  Lot Number Sequence: The error usually arises when the next lot number being processed does not follow the expected sequence of lot numbers. This can happen if:
  
  The lot number is manually entered and does not conform to the predefined sequence.
  There are gaps in the lot number sequence due to deletions or adjustments.
  The system is configured to enforce strict lot number sequencing, and the next lot does not meet the criteria.
  
  
  
  Configuration Issues: The configuration settings for lot management may not be aligned with the actual lot numbers being used in the system.
  
  
  Data Integrity Issues: There may be inconsistencies in the database or issues with how lot numbers are generated or assigned.
  
  
  Solution:
  
  
  Check Lot Number Sequence: Verify the sequence of lot numbers in the system. Ensure that the next lot number you are trying to use follows the correct sequence. You can do this by:
  
  Reviewing the existing lot numbers in the relevant material master or inventory records.
  Ensuring that there are no gaps or missing lot numbers.
  
  
  
  Adjust Lot Number: If the lot number being used is incorrect, you may need to adjust it to match the expected sequence. This could involve:
  
  Creating a new lot number that follows the sequence.
  Modifying the existing lot number if permissible.
  
  
  
  Review Configuration: Check the configuration settings for lot management in SAP. Ensure that the settings for lot number assignment and sequencing are correctly defined. This may involve:
  
  Consulting with your SAP configuration team to review the settings in the material master and lot management configuration.
  
  
  
  Data Consistency Check: Run data consistency checks to identify any discrepancies in the lot number assignments. This may involve using transaction codes like SE16 or SE11 to review the relevant database tables.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance on lot management and error handling.
  
  
  Contact SAP Support: If the issue persists and cannot be resolved through the above steps, consider reaching out to SAP support for further assistance.
  
  
  Related Information:
  
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as:
  
  MM03: Display Material
  MB1A: Goods Withdrawal
  MB1B: Transfer Posting
  MB1C: Other Goods Receipts
  MB52: List Warehouse Stocks on Hand
  
  
  
  Lot Management: Understanding the principles of lot management in SAP, including how lot numbers are generated, assigned, and tracked, can help in troubleshooting similar issues in the future.
  
  
  SAP Notes: Check for any SAP Notes related to lot management and error FS526, as there may be specific patches or updates that address known issues.
  
  
  By following these steps, you should be able to identify the cause of the FS526 error and implement a solution to resolve it.