How To Fix 29088 - Only negative quantities supported for co-product

29088 - Overview

• Message type: E = Error

• Message class: 29 - Bills of Material

• Message number: 088

• Message text: Only negative quantities supported for co-product

What causes this issue?

You have marked this item as a co-product. Such items are treated as
material credit memos by costing, which reduces the manufacturing costs
calculated.

System Response

Co-products are entered as a <ZH>negative</> quantity.

How to fix this error?

You did not enter a negative quantity.
Please enter a negative quantity.
Example: <LB>100-</>

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message 29088 - Only negative quantities supported for co-product ?

  The SAP error message 29088, "Only negative quantities supported for co-product," typically occurs in the context of production orders or process orders when dealing with co-products in SAP's Production Planning (PP) or Process Industry (PI) modules. This error indicates that the system is expecting a negative quantity for a co-product, which is often related to the way co-products are defined and handled in the production process.
  
  Cause:
  
  Co-Product Definition: In SAP, co-products are defined in the material master and production process. If the system is set up to expect a negative quantity for a co-product, it may be due to the way the co-product is configured in the bill of materials (BOM) or routing.
  Production Order Settings: The production order may be incorrectly set up, leading to the expectation of negative quantities for co-products.
  Incorrect Quantity Input: The user may have inadvertently entered a positive quantity for a co-product when the system is configured