How To Fix FMCA1003 - Field &1 may not be filled during use of component IS-PS-CA

SAP Error Message - Details

• Message type: E = Error

• Message class: FMCA1 - IS-PS-CA: Messages about Contract A/R & A/P

• Message number: 003

• Message text: Field &1 may not be filled during use of component IS-PS-CA

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message FMCA1003 - Field &1 may not be filled during use of component IS-PS-CA ?

  The SAP error message FMCA1003, which states "Field &1 may not be filled during use of component IS-PS-CA," typically occurs in the context of the SAP IS-PS (Industry Solution for Project System) and CA (Controlling Area) modules. This error indicates that a specific field (denoted by &1) is being populated in a way that is not allowed according to the configuration or business rules defined in the system.
  Cause:
  The error can be caused by several factors, including:
  
  Incorrect Configuration: The field in question may be configured in such a way that it should not be filled when using the IS-PS-CA component.
  Business Rules: There may be specific business rules or logic that dictate that this field should remain empty during certain transactions or processes.
  Data Entry Errors: Users may inadvertently be entering data into a field that is not supposed to be filled based on the context of the transaction.
  Custom Development: If there are custom enhancements or modifications in the system, they may be causing conflicts with standard behavior.
  
  Solution:
  To resolve the FMCA1003 error, you can take the following steps:
  
  
  Check Configuration: Review the configuration settings for the IS-PS-CA component to ensure that the field in question is set up correctly. This may involve checking the field status groups or field selection settings.
  
  
  Review Business Processes: Ensure that the business processes and rules are well understood and that the field is being used appropriately according to those rules.
  
  
  Data Entry Validation: Train users to avoid entering data into the restricted field during the relevant transactions. Implement validation checks if necessary.
  
  
  Debugging: If the issue persists, consider debugging the transaction to identify where the field is being populated and why it is causing the error.
  
  
  Consult Documentation: Refer to SAP documentation or notes related to the IS-PS-CA component for any specific guidelines or known issues regarding the field in question.
  
  
  Contact SAP Support: If you are unable to resolve the issue, consider reaching out to SAP support for assistance, especially if this is a critical issue affecting business operations.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional context.
  Transaction Codes: Familiarize yourself with transaction codes related to IS-PS and CA, as they may provide insights into where the error is occurring.
  User Exits and BAdIs: If there are custom developments, review any user exits or BAdIs that might be influencing the behavior of the field.
  
  By following these steps, you should be able to identify the root cause of the FMCA1003 error and implement an appropriate solution.