How To Fix /SAPAPO/ATP812 - Only & & are available altogether, & & are already assigned

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/ATP -

• Message number: 812

• Message text: Only & & are available altogether, & & are already assigned

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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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/ATP812 - Only & & are available altogether, & & are already assigned ?

  The SAP error message /SAPAPO/ATP812 typically occurs in the context of Advanced Planning and Optimization (APO) when there is an issue with the availability check for a product. The message indicates that there are only a limited number of resources or stock available for allocation, and some of those resources or stock have already been assigned to other orders or requirements.
  Cause:
  
  Insufficient Stock: The available stock for the product is less than what is required for the orders or requirements.
  Allocation Issues: Some of the available stock has already been allocated to other orders, leading to a situation where the remaining stock is not sufficient to fulfill the current request.
  Configuration Issues: There may be configuration settings in the APO system that are not aligned with the business requirements, leading to incorrect availability checks.
  Planning Parameters: The planning parameters for the product might not be set correctly, affecting how stock is allocated.
  
  Solution:
  
  Check Stock Levels: Verify the current stock levels for the product in question. Ensure that there is enough stock available to meet the demand.
  Review Allocations: Check which orders or requirements have already been assigned the available stock. This can help identify if there are any orders that can be rescheduled or modified.
  Adjust Planning Parameters: Review and adjust the planning parameters in the APO system to ensure they align with business needs. This may include lead times, safety stock levels, and other relevant settings.
  Reallocate Stock: If possible, reallocate stock from less critical orders to fulfill the more urgent requirements.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance on the error message and its implications.
  Contact Support: If the issue persists, consider reaching out to SAP support or your internal SAP team for further assistance.
  
  Related Information:
  
  Transaction Codes: You may want to use transaction codes like /SAPAPO/ATC (for checking the availability check) or /SAPAPO/SDP94 (for viewing the demand and supply situation) to analyze the situation further.
  Master Data: Ensure that the master data for the product, including the material master and the location data, is correctly maintained.
  APO Configuration: Review the configuration settings in the APO system, particularly those related to the availability check and allocation strategies.
  
  By following these steps, you should be able to diagnose and resolve the issue related to the /SAPAPO/ATP812 error message.