Message type: E = Error
Message class:  VL -  
Message number: 173
Message text: Item & has already been made available by a transfer order
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The SAP error message VL173 indicates that an item has already been made available by a transfer order. This typically occurs in the context of warehouse management and inventory handling, particularly when dealing with transfer orders and stock movements.
Cause: The error arises when you attempt to process a transfer order for an item that has already been allocated or made available for picking or shipping. This can happen due to several reasons: Duplicate Processing: The item may have already been processed in a previous transfer order. Incorrect Status: The item might be in a status that does not allow for further processing. System Configuration: There may be issues with how the system is configured to handle transfer orders and stock availability.
Solution: To resolve the VL173 error, you can take the following steps: Check Transfer Order Status: Go to the transfer order (TO) in question and verify its status. Ensure that the item is not already picked or
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