Message type: E = Error
Message class:  ADPIC -  
Message number: 027
Message text: The selected quantity was reduced to the available quantity
Negative stock is not allowed in Customizing (<ZK>Materials Management
-> Inventory Management and Physical Inventory ->  Goods Issue and
Transfer Postings -> Allow Negative Stocks</>).
The entered quantity was reduced to the available quantity.
The system issues an error message and will not allow you to continue with this transaction until the error is resolved.
Error message extract from SAP system. Copyright SAP SE.
The SAP error message ADPIC027, which states "The selected quantity was reduced to the available quantity," typically occurs in the context of inventory management or sales order processing. This message indicates that the quantity requested for a particular item exceeds the available stock quantity in the system. Here’s a breakdown of the cause, potential solutions, and related information:
Cause: Insufficient Stock: The primary reason for this error is that the quantity you are trying to process (e.g., in a sales order, delivery, or production order) is greater than the quantity available in inventory. Stock Reservations: There may be existing reservations or allocations against the stock that reduce the available quantity. Batch Management: If batch management is enabled, the specific batch may not have enough stock available. Stock in Transit: Stock that is in transit or not yet received may not be counted as available. Inventory Adjustments: Recent inventory adjustments or discrepancies may have altered the available
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