How To Fix CN688 - The purchasing data is incomplete

SAP Error Message - Details

• Message type: E = Error

• Message class: CN - Meldungen für Netzpläne

• Message number: 688

• Message text: The purchasing data is incomplete

What causes this issue?

You want to allocate an externally procurred component but have not
maintained all the data necessary for purchasing.
Purchasing requires the following data:
Requirements quantity and unit of measure
G/L account
Purchasing group
Material group

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Complete your entries

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CN688 - The purchasing data is incomplete ?

  The SAP error message CN688, which states "The purchasing data is incomplete," typically occurs in the context of materials management and procurement processes. This error indicates that certain required purchasing data for a material or vendor is missing or incomplete, preventing the system from processing transactions related to purchasing.
  Causes:
  
  Missing Purchasing Info Records: The purchasing info record for the material may not exist or may be incomplete.
  Incomplete Vendor Master Data: The vendor master data may lack necessary purchasing information, such as purchasing organization, payment terms, or conditions.
  Material Master Data Issues: The material master may not have the required purchasing views maintained, or the purchasing group may be missing.
  Missing Conditions: Pricing conditions or other relevant conditions may not be set up in the system.
  Purchasing Organization Assignment: The material may not be assigned to the correct purchasing organization.
  
  Solutions:
  
  Check Purchasing Info Records: Go to the transaction code ME11 (Create Info Record) or ME12 (Change Info Record) and verify that the purchasing info record for the material and vendor is complete.
  Review Vendor Master Data: Use transaction code XK02 (Change Vendor) to check if all necessary purchasing data is filled out for the vendor.
  Verify Material Master Data: Use transaction code MM02 (Change Material) to ensure that the purchasing views are properly maintained for the material.
  Check Conditions: Use transaction code MEK2 (Change Conditions) to verify that all necessary pricing conditions are set up.
  Assign Purchasing Organization: Ensure that the material is assigned to the correct purchasing organization in the material master data.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as ME11, ME12, XK02, MM02, and MEK2 for managing purchasing data.
  User Roles and Authorizations: Ensure that the user has the necessary authorizations to view and edit purchasing data.
  Documentation: Refer to SAP documentation or help files for detailed guidance on maintaining purchasing data.
  Consult with SAP Support: If the issue persists after checking the above areas, consider reaching out to SAP support or your internal SAP team for further assistance.
  
  By addressing the specific areas mentioned above, you should be able to resolve the CN688 error and ensure that the purchasing data is complete for the relevant materials and vendors.