How To Fix W_CB027 - &1 is not a unit

SAP Error Message - Details

• Message type: E = Error

• Message class: W_CB -

• Message number: 027

• Message text: &1 is not a unit

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message W_CB027 - &1 is not a unit ?

  SAP Error Message:
  
  W_CB027 &1 is not a unit
  
  Meaning / Cause:
  This error message typically occurs when a value expected to be a unit of measure is not recognized as such in the system. The placeholder &1 will be replaced by the actual value (e.g., a unit code) that SAP tried to validate but found it is not defined or not valid as a unit of measure.
  Common causes include:  
  
  The unit of measure code entered does not exist in the system.  
  The unit of measure is not maintained or activated in the relevant customizing tables.  
  Typographical error or incorrect unit code entered in a transaction or master data.  
  The unit of measure is not assigned or allowed for the material or transaction context.
  
  
  Where it occurs:
  
  Material master data maintenance (e.g., Basic Data, Units of Measure tab)  
  Goods movements, inventory transactions  
  Sales documents where units of measure are specified  
  Production orders or BOM where units are used  
  Any transaction or program that validates units of measure
  
  
  How to check / verify:
  
  
  Check the unit of measure code:
  
  Go to transaction CUNI (Units of Measure) and verify if the unit code exists and is active.
  
  
  Check material master units:
  
  Use transaction MM03 to check the material’s units of measure.
  
  
  Check customizing:  
  
  SPRO ? Logistics - General ? Units of Measure ? Check units  
  Ensure the unit is defined and valid.
  
  
  
  Check for typos:
  
  Verify the input value for any spelling or case sensitivity issues.
  
  
  
  Solution / How to fix:
  
  If the unit does not exist, create it in transaction CUNI or via customizing.  
  If the unit exists but is not assigned to the material or transaction, assign it appropriately.  
  Correct the input value to a valid unit of measure.  
  If the unit is obsolete or incorrect, replace it with a valid unit in master data or transaction.  
  Ensure consistency in units of measure across related master data and transactions.
  
  
  Additional notes:
  
  Units of measure in SAP are standardized and must be maintained carefully to avoid inconsistencies.  
  Sometimes, this error can appear if data is migrated incorrectly or if custom programs use invalid units.  
  Always check the exact value in the error message to identify the problematic unit.
  
  
  Summary:
  
  The error W_CB027 &1 is not a unit means SAP does not recognize the given value as a valid unit of measure. Verify and correct the unit code in the system or input to resolve the issue.