Message type: E = Error
Message class: MH - Maintain Material Master Data (Retail)
Message number: 255
Message text: Double placement: material &, layout mod. &, shelf section &, sh. space &
You have entered an assignment of a material and of a unit of measure
to a layout module. This assignment positions the material on a shelf
space that is already occupied by another material or by the same
material in a different unit of measure.
The system issues an error message and will not allow you to continue with this transaction until the error is resolved.
Compare the entries in layout module, version, variant, shelf section,
and sort sequence number with other existing entries that are identical
in these fields, but that differ in material and/or unit of measure.
You will find at least one other entry. To ensure unique shelf section
placements, change the duplicate data in at least one of these fields,
or delete the entry.
Error message extract from SAP system. Copyright SAP SE.
MH255
- Double placement: material &, layout mod. &, shelf section &, sh. space & ?The SAP error message MH255 "Double placement: material &, layout mod. &, shelf section &, sh. space &" typically occurs in the context of warehouse management and inventory management within SAP. This error indicates that there is an attempt to place the same material in the same storage location or shelf space where it is already stored, which is not allowed due to the configuration of the warehouse management system.
Cause: Duplicate Storage Assignment: The same material is already assigned to the specified layout, shelf section, and storage space. Warehouse Configuration: The warehouse management system may be configured to prevent multiple placements of the same material in the same storage area. Data Entry Error: There may be an error in the data entry process, leading to an attempt to place the same material in the same location.
Solution: Check Existing Stock: Verify if the material is already present in the specified layout, shelf section, and storage
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