How To Fix CRM_SERVICE_OS128 - To enable the serial number, specify a quantity of 1 and use a base unit.

SAP Error Message - Details

• Message type: E = Error

• Message class: CRM_SERVICE_OS - CRM Service: Subject Reference Object

• Message number: 128

• Message text: To enable the serial number, specify a quantity of 1 and use a base unit.

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message CRM_SERVICE_OS128 - To enable the serial number, specify a quantity of 1 and use a base unit. ?

  The SAP error message CRM_SERVICE_OS128 typically occurs in the context of service management or when dealing with materials that have serial numbers. This error indicates that the system requires a quantity of 1 for items that are serialized, and it also requires that a base unit of measure is specified.
  
  Cause:
  
  Quantity Issue: The error arises when you attempt to process a serialized item with a quantity greater than 1. In SAP, serialized items must be handled one at a time, meaning you can only specify a quantity of 1.
  Base Unit of Measure: The item may not have a base unit of measure defined, or the unit of measure being used is not compatible with the serial number management.
  
  
  Solution:
  To resolve the CRM_SERVICE_OS128 error, follow these steps:
  
  
  Set Quantity to 1: Ensure that when you are entering the serialized item, the quantity is set to 1. This is a requirement for items that are