How To Fix CJ556 - Field length exceeded when calculating WBS element & duration

SAP Error Message - Details

• Message type: E = Error

• Message class: CJ - Project master data and structure

• Message number: 556

• Message text: Field length exceeded when calculating WBS element & duration

What causes this issue?

An internal error has occurred while calculating the duration of WBS
element &V1&.

System Response

The field will be filled with the maximum value.

How to fix this error?

Select a larger unit for duration.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CJ556 - Field length exceeded when calculating WBS element & duration ?

  The SAP error message CJ556 ("Field length exceeded when calculating WBS element & duration") typically occurs in the context of Project System (PS) when there is an issue with the data being processed for a Work Breakdown Structure (WBS) element. This error indicates that the system has encountered a value that exceeds the defined field length for a particular attribute, which can happen during calculations related to the WBS element or its duration.
  Causes:
  
  Data Entry Errors: Incorrect or excessively large values entered for fields related to the WBS element, such as duration, costs, or other attributes.
  Configuration Issues: The system configuration may not be set up to handle the expected data sizes, leading to overflow errors.
  Custom Enhancements: If there are custom programs or enhancements that manipulate WBS data, they may not be handling data correctly, leading to this error.
  Inconsistent Data: Data inconsistencies or corruption in the database can also lead to this error.
  
  Solutions:
  
  Check Input Values: Review the values entered for the WBS element, especially for duration and other numeric fields. Ensure they are within acceptable limits.
  Review Configuration: Check the configuration settings in the Project System module to ensure that field lengths are appropriately defined and can accommodate the data being processed.
  Debug Custom Code: If there are any custom enhancements or user exits that interact with WBS elements, debug the code to identify any potential issues with data handling.
  Data Consistency Check: Run consistency checks on the WBS elements to identify and correct any inconsistencies in the data.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide patches or updates that could resolve the issue.
  Consult Documentation: Review SAP documentation for the Project System module to understand the limitations and requirements for field lengths and data types.
  
  Related Information:
  
  Transaction Codes: You may want to use transaction codes like CJ20N (Project Builder) or CJ03 (Display WBS) to review the WBS elements and their attributes.
  SAP Community: Engaging with the SAP Community forums can provide insights from other users who may have encountered similar issues.
  SAP Support: If the issue persists, consider reaching out to SAP Support for assistance, especially if it appears to be a bug or a deeper system issue.
  
  By following these steps, you should be able to identify the cause of the CJ556 error and implement a solution to resolve it.