How To Fix VLSC020 - &1 of &2 required but only &3 available in plant &4

SAP Error Message - Details

• Message type: E = Error

• Message class: VLSC - Components for subcontractor's inbound delivery

• Message number: 020

• Message text: &1 of &2 required but only &3 available in plant &4

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message VLSC020 - &1 of &2 required but only &3 available in plant &4 ?

  The SAP error message VLSC020 indicates that there is a shortage of stock for a specific material in a particular plant. The message typically reads: "Material &1 of &2 required but only &3 available in plant &4." This error usually occurs in the context of sales order processing, production planning, or inventory management when the system attempts to allocate stock for a requirement but finds insufficient quantities available.
  Cause:
  
  Insufficient Stock: The primary cause of this error is that the required quantity of the material is not available in the specified plant.
  Incorrect Stock Levels: There may be discrepancies in stock levels due to incorrect inventory management, unposted goods movements, or delays in stock updates.
  Allocation Issues: The system may be trying to allocate stock that is already reserved for other orders or processes.
  Configuration Issues: There could be issues with the configuration of the material master or the plant settings that affect stock availability.
  
  Solution:
  
  Check Stock Levels: Verify the current stock levels of the material in the specified plant using transaction codes like MMBE (Stock Overview) or MB52 (List of Warehouse Stocks on Hand).
  Adjust Inventory: If stock is indeed low, consider adjusting inventory levels by receiving new stock, transferring stock from another plant, or reallocating stock from other orders if possible.
  Review Reservations: Check if there are any existing reservations or allocations for the material that might be preventing the system from fulfilling the requirement. You can use transaction code MB22 to view and manage reservations.
  Update Stock Movements: Ensure that all stock movements (goods receipts, goods issues, etc.) have been posted correctly. If there are unposted documents, they need to be processed.
  Check Material Master Data: Review the material master data for any configuration issues that might affect stock availability, such as incorrect plant settings or storage locations.
  Consult with Planning: If the material is part of a production process, consult with the production planning team to ensure that the required quantities are aligned with production schedules.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as MMBE, MB52, MB22, and MD04 (Stock/Requirements List) to monitor stock levels and requirements.
  Material Master: Review the material master data for the affected material to ensure that all relevant fields are correctly configured.
  Stock Overview Reports: Utilize stock overview reports to get a comprehensive view of stock levels across different plants and storage locations.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message, as there may be specific fixes or recommendations provided by SAP.
  
  By following these steps, you should be able to identify the root cause of the VLSC020 error and take appropriate actions to resolve it.