How To Fix KM790 - No quantity can be read from at least one of the selected rows

KM790 - Overview

• Message type: E = Error

• Message class: KM - Error messages for Profit Center Accounting

• Message number: 790

• Message text: No quantity can be read from at least one of the selected rows

What causes this issue?

The transfer price cannot be calculated because the quantity of
representative material &V1& is not available.

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?

Enter a valid quantity in the layout, and then select this line.
If the quantity column is locked against manual entry, you need to
change the layout.
Then you can call up valuation again.

Error message extract from SAP system. Copyright SAP SE.

KM790 - Details

• The SAP error message KM790, which states "No quantity can be read from at least one of the selected rows," typically occurs in the context of SAP's Controlling (CO) module, particularly when dealing with cost center accounting, internal orders, or similar transactions where quantities are expected to be processed.
  Causes:
  
  
  Missing Quantity Data: The most common cause is that one or more of the selected rows in your transaction do not have a quantity specified. This could be due to incomplete data entry or missing information in the master data.
  
  
  Incorrect Data Selection: The rows you are trying to process may not be relevant for the operation you are performing, leading to the absence of quantity data.
  
  
  Data Inconsistencies: There may be inconsistencies in the data, such as incorrect or missing entries in the relevant tables (e.g., material master, cost center, or internal order).
  
  
  Authorization Issues: Sometimes, the user may not have the necessary authorizations