SAP Knowledge Base Article - Public

2734793 - Error message:Mapping of Unit of Measure XXX not Possible; Missing Mapping


You see this error with incoming Invoices or Purchase orders in the Business communication monitoring view.

Where XXX is Unit of measure


SAP Business ByDesign

Reproducing the Issue

  1. Go to Application User Management work center
  2. Go to Business Communication Monitoring
  3. Show Business Messages with errors
  4. Select the document with content error
  5. Scroll down to Message details

Under Additional errors you can see this error

 To view the XML select the  content error and on top you have download payload button so click on it andsave it.


You have used a unit of measure that is visible in the XML of incoming message that is not defined in ByDesign system under business configuration activity called code list mapping.


  1. Go to Business Configuration work center
  2. Choose Overview
  3. Show all activities and search for Code List Mapping
  4. Select it and click on change immediately button
  5. Under Code list mapping definition  select the Local data type name as MeasureUnitCode
  6. Scroll down to Code list mapping rule
  7. Click on Add row
  8. Choose map individual codes from value help
  9. Scroll down to Code list mapping
  10. Add the details for missing Unit of measure XXX, i.e enter External code  as XXX and choose the corresponding Local code from Drop down.
  11. Click on Save


unit of measure missing, unit of measure mapping missing, Item Mapping of unit of measure not possible; missing mapping , KBA , AP-SIP-SIV , Supplier Invoice , AP-POP-PO , Purchase Order , Problem


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