How To Fix C7021 - Field overflow when calculating PRT usage values

SAP Error Message - Details

• Message type: E = Error

• Message class: C7 - Scheduling

• Message number: 021

• Message text: Field overflow when calculating PRT usage values

What causes this issue?

An internal error occurred when calculating the PRT usage values.

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 C7021 - Field overflow when calculating PRT usage values ?

  The SAP error message C7021, which indicates a "Field overflow when calculating PRT usage values," typically occurs when the system attempts to process values that exceed the defined limits for certain fields in the database. This can happen during the calculation of Production Resource Tools (PRT) usage values, particularly when dealing with large quantities or high precision values.
  Causes:
  
  Data Overflow: The values being processed exceed the maximum allowable size for the field in the database. This can happen if the PRT usage values are too large or if there are too many decimal places.
  Configuration Issues: Incorrect configuration of the PRT or related master data can lead to calculations that result in overflow.
  Incorrect Input Values: User input or data entry errors can lead to values that are not within the expected range.
  System Limitations: The underlying data types in the database may not be able to handle the calculations being performed.
  
  Solutions:
  
  Check Input Values: Review the input values for PRT usage to ensure they are within acceptable limits. Look for any unusually large numbers or excessive decimal places.
  Review Configuration: Check the configuration settings for PRTs in the system. Ensure that they are set up correctly and that the parameters are appropriate for the expected usage.
  Adjust Field Lengths: If possible, consider adjusting the field lengths in the database to accommodate larger values. This may require development work and should be done with caution.
  Data Validation: Implement validation checks to prevent users from entering values that could lead to overflow.
  Consult Documentation: Review SAP documentation or notes related to PRT usage and field limits to understand any specific constraints that may apply.
  SAP Support: If the issue persists, consider reaching out to SAP support for assistance. They may have specific patches or notes that address this error.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may provide additional insights or solutions for this specific error.
  Transaction Codes: Familiarize yourself with transaction codes related to PRT management, such as C223 (Maintain PRT) or C224 (Assign PRT to Work Center).
  Field Definitions: Review the data dictionary (SE11) to understand the field definitions and limits for the relevant tables involved in PRT calculations.
  
  By addressing the underlying causes and implementing the suggested solutions, you should be able to resolve the C7021 error and prevent it from occurring in the future.