How To Fix CO657 - Inconsistent master data for assembly &

SAP Error Message - Details

• Message type: E = Error

• Message class: CO - PPC order processing messages

• Message number: 657

• Message text: Inconsistent master data for assembly &

What causes this issue?

Direct production is indicated for assembly &V1& in the material
master. In the BOM for material &V2& the assembly has been entered as a
non-stock item and is therefore defined as directly procured.

System Response

The system terminates, as it can not decide whether assembly &V1&
should now be directly produced or directly procured.

How to fix this error?

Carry out one of the following two measures:
If assembly &V1& should be directly produced, change the item category
in the BOM for material &V2& to 'materials kept in stock' for assembly
&V1&.
If assembly &V1& should be directly procured, change either the special
procurement key in the material master, or hide the explosion of the
related BOM, by entering a suitable quantity structure control for
assembly &V1& in the BOM for material &V2&.

Procedure for System Administrators

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.

Smart SAP Assistant

• What is the cause and solution for SAP error message CO657 - Inconsistent master data for assembly & ?

  The SAP error message CO657 indicates that there is inconsistent master data for an assembly in the context of production planning and control. This error typically arises when there are discrepancies in the master data related to the bill of materials (BOM), routing, or other related components that are necessary for the assembly process.
  Causes of CO657 Error
  
  
  Inconsistent BOM: The bill of materials for the assembly may not match the components defined in the system. This can happen if the BOM has been changed but not updated in all relevant areas.
  
  
  Routing Issues: The routing for the assembly may not be correctly defined or may not match the BOM, leading to inconsistencies.
  
  
  Missing or Incorrect Master Data: There may be missing or incorrect master data for components, such as material master records, which can lead to inconsistencies.
  
  
  Versioning Issues: If different versions of the BOM or routing are being used, it can lead to