How To Fix O4202 - Quotation unit of measure cannot be changed; quotes already exist using &

SAP Error Message - Details

• Message type: E = Error

• Message class: O4 - IS-Oil: MAP message pool

• Message number: 202

• Message text: Quotation unit of measure cannot be changed; quotes already exist using &

What causes this issue?

The unit of measure for the quotation has been changed, but some quotes
already exist in the price quotation table (transaction O3I2) using the
old unit of measure.

System Response

The system cannot cope with quotes using the same source, type and
quote number but different units of measure: the unit of measure must
be consistent.

How to fix this error?

The unit of measure must be changed back to its original value, or all
quotes for this source, type and number must be deleted from the price
quotation table.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message O4202 - Quotation unit of measure cannot be changed; quotes already exist using & ?

  The SAP error message O4202 indicates that there is an issue with changing the unit of measure for a quotation because there are already existing quotations that use the current unit of measure. This error typically arises in the context of sales and distribution (SD) when trying to modify a quotation that has already been created.
  Cause:
  The primary cause of this error is that the system prevents changes to the unit of measure for a quotation if there are already existing documents (like sales orders or quotations) that reference the original unit of measure. This is to maintain data integrity and consistency across related documents.
  Solution:
  To resolve this error, you can consider the following approaches:
  
  
  Check Existing Quotations: Review the existing quotations that are using the current unit of measure. You can do this by navigating to the relevant transaction in SAP and checking for any quotations that are still open or active.
  
  
  Change Unit of Measure in Related Documents: If you need to change the unit of measure, you may need to first change or delete the existing quotations or related documents that are using the current unit of measure. Ensure that there are no dependencies on those documents.
  
  
  Create a New Quotation: If changing the existing quotations is not feasible, consider creating a new quotation with the desired unit of measure. This way, you can avoid the conflict with existing documents.
  
  
  Consult with Your SAP Administrator: If you are unsure about how to proceed or if there are complex dependencies, it may be helpful to consult with your SAP administrator or a functional consultant who can provide guidance based on your specific configuration and business processes.
  
  
  Review Configuration Settings: In some cases, the configuration settings for units of measure in your SAP system may need to be reviewed. Ensure that the settings align with your business requirements and that the unit of measure is correctly defined in the material master or relevant master data.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as VA21 (Create Quotation), VA22 (Change Quotation), and VA23 (Display Quotation) to manage quotations effectively.
  Unit of Measure Settings: Review the settings in the material master (transaction MM02) to ensure that the unit of measure is correctly defined and that any changes are made in accordance with your organization's policies.
  SAP Notes: Check for any SAP Notes related to this error message for additional insights or patches that may address specific issues in your version of SAP.
  
  By following these steps, you should be able to address the O4202 error and proceed with your quotation management in SAP.