How To Fix FD020 - Error calling up application

SAP Error Message - Details

• Message type: E = Error

• Message class: FD - EDI Messages in FI

• Message number: 020

• Message text: Error calling up application

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

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Smart SAP Assistant

• What is the cause and solution for SAP error message FD020 - Error calling up application ?

  The SAP error message FD020, which states "Error calling up application," typically occurs in the context of financial transactions, particularly when dealing with the Financial Accounting (FI) module. This error can arise due to various reasons, and understanding the cause is crucial for finding an appropriate solution.
  Causes of FD020 Error
  
  Configuration Issues: Incorrect configuration in the financial settings or missing parameters can lead to this error.
  Authorization Problems: The user may not have the necessary authorizations to execute the transaction or access the application.
  Data Inconsistencies: Inconsistent or incomplete data in the master records or transaction data can trigger this error.
  System Bugs: Occasionally, bugs in the SAP system or specific patches may cause unexpected behavior.
  Missing or Incorrect Customization: If there are custom developments or enhancements, they may not be functioning correctly.
  
  Solutions to FD020 Error
  
  
  Check Authorizations: Ensure that the user has the necessary authorizations to perform the transaction. You can use transaction code SU53 to analyze authorization issues.
  
  
  Review Configuration: Verify the configuration settings in the relevant areas of the FI module. Check for any missing or incorrect settings that could affect the application.
  
  
  Data Validation: Check the data being processed for inconsistencies. Ensure that all required fields are filled out correctly and that the data adheres to the expected formats.
  
  
  Transaction Logs: Review the application logs (transaction SLG1) for more detailed error messages that can provide insights into what went wrong.
  
  
  SAP Notes: Search the SAP Support Portal for any relevant SAP Notes that may address this specific error. There may be patches or updates available that resolve the issue.
  
  
  Debugging: If you have access to debugging tools, you can analyze the program flow to identify where the error occurs. This may require assistance from a developer or SAP Basis team.
  
  
  Contact SAP Support: If the issue persists and you cannot find a resolution, consider reaching out to SAP Support for assistance. Provide them with detailed information about the error, including transaction codes, user roles, and any relevant logs.
  
  
  Related Information
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as FB01 (Post Document), FBL1N (Vendor Line Item Display), or others related to the specific financial process you are working with.
  User Roles: Ensure that user roles are correctly assigned and that there are no conflicts in the authorization profiles.
  System Updates: Keep your SAP system updated with the latest patches and enhancements to minimize the risk of encountering known issues.
  
  By following these steps, you should be able to diagnose and resolve the FD020 error effectively.