How To Fix CE520 - Method &: Method result caused overflow

SAP Error Message - Details

• Message type: E = Error

• Message class: CE - CAPP messages

• Message number: 520

• Message text: Method &: Method result caused overflow

What causes this issue?

The result &V2& calculated for the method &V1& exceeds the maximum
permitted for &V3&.

System Response

The result of the method &V1& has been set to the value &V3&.

How to fix this error?

Please check the calculation. If necessary, assign new values to the
method characteristics.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CE520 - Method &: Method result caused overflow ?

  The SAP error message CE520, which states "Method &: Method result caused overflow," typically occurs in the context of SAP ABAP programming, particularly when dealing with calculations or data processing in methods of classes. This error indicates that the result of a calculation or operation exceeded the maximum limit that can be stored in the data type being used.
  Causes:
  
  
  Data Type Limitations: The most common cause is that the data type used for storing the result of a calculation is not large enough to hold the resulting value. For example, if you are using an integer type that has a maximum value and the calculation exceeds that value, an overflow will occur.
  
  
  Incorrect Logic: There may be a logical error in the code that leads to unexpected large values being calculated.
  
  
  Data Input Issues: If the input data to the method is larger than expected or not validated properly, it can lead to overflow during calculations.
  
  
  Looping or Recursion: If there is a loop or recursive method that accumulates values without proper termination conditions, it can lead to an overflow.
  
  
  Solutions:
  
  
  Check Data Types: Review the data types used in the method. If necessary, switch to a larger data type (e.g., from INT4 to INT8 or from FLOAT to DECIMAL) to accommodate larger values.
  
  
  Implement Error Handling: Add error handling to catch potential overflow situations before they occur. This can include checks on input values and results of calculations.
  
  
  Validate Input Data: Ensure that the input data is validated before performing calculations. This can help prevent unexpected large values from causing overflow.
  
  
  Review Logic: Go through the logic of the method to ensure that calculations are performed correctly and that there are no infinite loops or excessive recursion.
  
  
  Debugging: Use debugging tools to step through the code and monitor variable values during execution. This can help identify where the overflow is occurring.
  
  
  Use Exception Handling: Implement exception handling to gracefully manage situations where an overflow might occur, allowing the program to continue running or to provide a meaningful error message to the user.
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Documentation: Review the SAP ABAP documentation for best practices on data types and error handling.
  Community Forums: Engage with SAP community forums or support channels for additional insights and solutions from other developers who may have encountered similar issues.
  
  By addressing the underlying causes and implementing the suggested solutions, you can resolve the CE520 error and prevent it from occurring in the future.