How To Fix CO149 - Bulk material and backflushing are mutually exclusive

CO149 - Overview

• Message type: E = Error

• Message class: CO - PPC order processing messages

• Message number: 149

• Message text: Bulk material and backflushing are mutually exclusive

What causes this issue?

<GL:bulk_material>Bulk material</> is stored at the work center,
which means that it cannot be issued from stock.

How to fix this error?

Set either the 'bulk material' indicator or the 'backflushing
indicator'.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CO149 - Bulk material and backflushing are mutually exclusive ?

  The SAP error message CO149, which states "Bulk material and backflushing are mutually exclusive," typically occurs in the context of production orders and material management. This error arises when there is an attempt to use backflushing for a material that is defined as a bulk material in the system.
  
  Cause:
  
  Material Type Configuration: The material in question is configured as a bulk material in the material master. Bulk materials are typically handled differently in SAP, and backflushing is not allowed for them.
  Production Order Settings: The production order may be set up to use backflushing, but the material being used is classified as bulk, leading to a conflict.
  Process Type: The process type defined for the production order may not support backflushing for bulk materials.
  
  
  Solution:
  
  Change Material Type: If backflushing is necessary for the material, consider changing the material type in the material master to a type that supports backflushing. This may involve reclassifying the