How To Fix PPECON305 - Unit &1 is not defined

SAP Error Message - Details

• Message type: E = Error

• Message class: PPECON - iPPE Application Object CON - Concepts

• Message number: 305

• Message text: Unit &1 is not defined

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message PPECON305 - Unit &1 is not defined ?

  The SAP error message PPECON305 "Unit &1 is not defined" typically occurs in the context of Production Planning or related modules when the system encounters a unit of measure (UoM) that has not been defined in the system. This can happen in various scenarios, such as when creating or processing production orders, material master records, or during the planning process.
  Cause:
  
  Undefined Unit of Measure: The unit of measure (UoM) referenced in the transaction is not defined in the system.
  Incorrect Configuration: The UoM may not be properly configured in the relevant master data (e.g., material master, BOM, routing).
  Data Entry Error: There may be a typo or incorrect entry when specifying the UoM in the transaction.
  
  Solution:
  
  
  Check UoM Definition:
  
  Go to the transaction code CUNI (Unit of Measure Conversion) or OMN1 (Define Units of Measure) to check if the unit of measure is defined in the system.
  If it is not defined, you will need to create it.
  
  
  
  Create/Modify UoM:
  
  If the UoM is missing, you can create it by entering the necessary details such as the unit of measure, description, and any conversion factors if applicable.
  Ensure that the UoM is assigned to the relevant material types and is consistent with the settings in the material master.
  
  
  
  Check Material Master:
  
  Use transaction code MM03 to view the material master record and ensure that the UoM is correctly assigned.
  If necessary, update the material master to include the correct UoM.
  
  
  
  Review BOM and Routing:
  
  If the error occurs during production order creation, check the Bill of Materials (BOM) and routing to ensure that all components and operations are using defined UoMs.
  
  
  
  Data Entry Verification:
  
  Double-check the data entry in the transaction where the error occurred to ensure that the UoM is entered correctly without any typos.
  
  
  
  Related Information:
  
  Unit of Measure Types: Understand the different types of units of measure (e.g., base unit, alternative unit) and how they are used in SAP.
  SAP Documentation: Refer to SAP Help documentation for detailed information on managing units of measure and related configuration settings.
  Transaction Codes:
  
  CUNI: Unit of Measure Conversion
  OMN1: Define Units of Measure
  MM03: Display Material Master
  CS03: Display BOM
  CA03: Display Routing
  
  
  
  By following these steps, you should be able to resolve the PPECON305 error and ensure that the unit of measure is properly defined and utilized in your SAP system.