How To Fix C7020 - Field overflow when calculating PRT quantities

C7020 - Overview

• Message type: E = Error

• Message class: C7 - Scheduling

• Message number: 020

• Message text: Field overflow when calculating PRT quantities

What causes this issue?

An internal error occurred when calculating the PRT quantity.

System Response

The field is filled with the maximum value.

How to fix this error?

INCLUDE 'NA_ALLG_SYSTEMVERW' OBJECT DOKU ID TX

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message C7020 - Field overflow when calculating PRT quantities ?

  The SAP error message C7020, which indicates a "Field overflow when calculating PRT quantities," typically occurs in the context of Production Resource Tools (PRT) in SAP. This error suggests that the system is trying to calculate a quantity that exceeds the maximum limit that can be stored in the designated field.
  Causes:
  
  Data Type Limitations: The field used for storing quantities may have a defined maximum size (e.g., integer or decimal). If the calculated quantity exceeds this limit, the overflow error occurs.
  Incorrect Configuration: The configuration of PRTs or the associated production orders may not be set up correctly, leading to unexpected calculations.
  Large Quantities: If the production order or PRT is associated with very large quantities, it may lead to overflow.
  Custom Code: If there are custom enhancements or user exits that manipulate PRT quantities, they may inadvertently cause an overflow.
  
  Solutions:
  
  Check Data Types: Review the data types of the fields involved in the calculation.