How To Fix RMSRCP305 - Unit of measurement for lot size is missing in change status &1 &2

SAP Error Message - Details

• Message type: E = Error

• Message class: RMSRCP - RMS-RCP: Messages for IPPE Object RCP

• Message number: 305

• Message text: Unit of measurement for lot size is missing in change status &1 &2

What causes this issue?

The unit of measurement of the lot size for a change status must
contain a valid value. In the change status being processed, the entry
for the unit of measurement is missing.

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?

The error occurs while converting the API structures into BAPI
structures before the data is transferred to the IDoc for distribution.
Check the data entered for the unit of measurement of the lot size in
the API structure for change statuses.

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 RMSRCP305 - Unit of measurement for lot size is missing in change status &1 &2 ?

  The SAP error message RMSRCP305, which states "Unit of measurement for lot size is missing in change status &1 &2," typically occurs in the context of SAP's Recipe Management or Production Planning modules. This error indicates that the system is unable to process a change in the status of a recipe or production order because the unit of measurement (UoM) for the lot size is not defined or is missing.
  Cause:
  
  Missing Unit of Measurement: The most common cause is that the unit of measurement for the lot size has not been specified in the recipe or production order.
  Configuration Issues: There may be issues with the configuration of the material master or recipe settings, where the UoM is not properly defined.
  Data Inconsistencies: There could be inconsistencies in the data entered for the recipe or production order, leading to the absence of a required field.
  
  Solution:
  
  
  Check Recipe/Production Order:
  
  Navigate to the recipe or production order that is causing the error.
  Ensure that the lot size has a defined unit of measurement. You can do this by checking the relevant fields in the recipe or order details.
  
  
  
  Update Material Master:
  
  If the recipe is linked to a material, check the material master data to ensure that the unit of measurement is correctly defined.
  Go to the material master (transaction code MM03) and verify the UoM settings.
  
  
  
  Review Configuration:
  
  If you have access to configuration settings, check the settings for the relevant module (e.g., Recipe Management) to ensure that the UoM for lot sizes is properly configured.
  Ensure that the UoM is maintained in the relevant views of the material master.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or help resources for any specific requirements related to the UoM in your version of SAP.
  
  
  
  Contact Support:
  
  If the issue persists after checking the above points, consider reaching out to your SAP support team or consulting with an SAP expert for further assistance.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as MM03 (Display Material), C201 (Create Recipe), or C202 (Change Recipe) to navigate through the necessary data.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  User Roles: Ensure that you have the necessary permissions to view and edit the recipe or production order data.
  
  By following these steps, you should be able to identify and resolve the issue causing the RMSRCP305 error message in SAP.