How To Fix OD151 - Ticket validation error: Maintain unit conversion defaults for &1

SAP Error Message - Details

• Message type: E = Error

• Message class: OD - IS-Oil: TSW Traders' and Schedulers' Workbench messages

• Message number: 151

• Message text: Ticket validation error: Maintain unit conversion defaults for &1

What causes this issue?

The unit conversion defaults for the material are not maintained.

System Response

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?

Maintain the default values for unit conversion for this material .
Go to Logistics > Materials Management > Inventory Management >
Environment > Oil qty. conversion
> QCI (Quantity Conversion Interface) parameter defaults: Oil <(>&<)>
Gas materials
> Create/ Display/Delete/Activate default parameters
The default values are effective from the date you create the default
values.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message OD151 - Ticket validation error: Maintain unit conversion defaults for &1 ?

  The SAP error message OD151, which states "Ticket validation error: Maintain unit conversion defaults for &1," typically occurs in the context of SAP's Plant Maintenance (PM) or Customer Service (CS) modules when there is an issue with unit conversions for measurement documents or service notifications.
  Cause:
  The error is usually caused by one of the following reasons:
  
  Missing Unit Conversion Defaults: The system does not have the necessary unit conversion settings for the specified unit of measure (UoM) in the configuration.
  Incorrect Configuration: The unit of measure used in the ticket or document does not have a defined conversion factor to the base unit of measure.
  Data Inconsistency: There may be inconsistencies in the master data related to units of measure, such as in material master records or service master records.
  
  Solution:
  To resolve the OD151 error, you can follow these steps:
  
  
  Check Unit of Measure Configuration:
  
  Go to the transaction code OMN1 (or navigate through the menu: Logistics > General > Master Data > Units of Measure > Maintain Units of Measure).
  Ensure that the unit of measure in question has a conversion factor defined to the base unit of measure.
  
  
  
  Maintain Unit Conversion Defaults:
  
  Use transaction code CUNI to maintain unit of measure conversions.
  Add or correct the conversion factors for the relevant units of measure.
  
  
  
  Review Master Data:
  
  Check the material master or service master records associated with the ticket to ensure that the units of measure are correctly defined and that the conversion factors are set up properly.
  
  
  
  Validate Ticket Data:
  
  Review the ticket or document that triggered the error to ensure that all required fields are filled out correctly and that the units of measure used are valid.
  
  
  
  Consult Documentation:
  
  If the issue persists, refer to SAP documentation or consult with your SAP support team for further assistance.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CUNI for unit conversions, OMN1 for maintaining units of measure, and IW21 or IW22 for creating or changing service notifications.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  User Roles and Authorizations: Ensure that you have the necessary authorizations to make changes to unit of measure settings and master data.
  
  By following these steps, you should be able to resolve the OD151 error and ensure that unit conversions are correctly maintained in your SAP system.