How To Fix K9045 - Function cannot be performed due to field overflow

SAP Error Message - Details

• Message type: E = Error

• Message class: K9 - CO Planning Processor

• Message number: 045

• Message text: Function cannot be performed due to field overflow

What causes this issue?

After executing the function selected, a field overrun occurred. The
function cannot be executed.

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?

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message K9045 - Function cannot be performed due to field overflow ?

  The SAP error message K9045, which states "Function cannot be performed due to field overflow," typically occurs in the context of financial or controlling (CO) modules when a calculation or data entry exceeds the allowable limits of a field in the database. This can happen in various scenarios, such as when dealing with large amounts, excessive decimal places, or when the data being processed exceeds the defined limits for a particular field.
  Causes:
  
  Data Overflow: The value being processed exceeds the maximum limit defined for a specific field. For example, if a monetary value exceeds the maximum allowed for a currency field.
  Decimal Places: If the number of decimal places in a value exceeds what is allowed for a particular field.
  Incorrect Configuration: Configuration settings in the system may not align with the data being processed, leading to overflow issues.
  Data Type Mismatch: If the data type of a field is not appropriate for the values being entered or calculated, it can lead to overflow errors.
  
  Solutions:
  
  Check Input Values: Review the values being entered or processed to ensure they are within the acceptable range for the fields involved.
  Adjust Decimal Places: If applicable, reduce the number of decimal places in the input values to fit within the field limits.
  Review Configuration: Check the configuration settings in the relevant SAP modules (e.g., controlling, financial accounting) to ensure they are set correctly for the data being processed.
  Data Type Review: Ensure that the data types used in the calculations or entries are appropriate for the values being processed.
  Consult Documentation: Refer to SAP documentation or help resources for specific field limits and configurations related to the error.
  Debugging: If you have access to debugging tools, you can trace the process to identify where the overflow is occurring and adjust accordingly.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions for common errors.
  Transaction Codes: Familiarize yourself with relevant transaction codes that may help in troubleshooting, such as SE11 (Data Dictionary) to check field definitions.
  User Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  If the problem persists after trying the above solutions, it may be beneficial to consult with your SAP support team or a technical consultant who can provide more in-depth analysis and assistance.