How To Fix ICC_FI_CN056 - Format of reference document &1 invalid

SAP Error Message - Details

• Message type: E = Error

• Message class: ICC_FI_CN - Für die Meldungen extern vornum. Belege

• Message number: 056

• Message text: Format of reference document &1 invalid

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message ICC_FI_CN056 - Format of reference document &1 invalid ?

  The SAP error message ICC_FI_CN056, which states "Format of reference document &1 invalid," typically occurs in the context of financial transactions, particularly when dealing with document references in the SAP system. This error indicates that the format of the reference document number provided does not conform to the expected format defined in the system.
  Causes:
  
  Incorrect Document Number Format: The reference document number may not match the expected format (e.g., length, character type).
  Configuration Issues: The system may have specific settings or configurations that define valid formats for document numbers, and these may not be aligned with the input.
  Data Entry Errors: Manual entry of the document number may have introduced typographical errors or invalid characters.
  Custom Development: If there are custom programs or enhancements, they may not handle the document number correctly.
  
  Solutions:
  
  Check Document Number Format: Verify that the reference document number you are entering adheres to the expected format. This includes checking the length, allowed characters, and any specific prefixes or suffixes.
  Review Configuration Settings: Consult with your SAP configuration team to review the settings related to document number formats. This may involve checking the configuration in the relevant modules (e.g., FI, CO).
  Correct Data Entry: If the document number was entered manually, double-check for any typographical errors and correct them.
  Consult Documentation: Refer to SAP documentation or help resources for specific details on the expected format for reference documents in your system.
  Debug Custom Code: If there are custom developments involved, review the code to ensure it correctly handles the document number format and adheres to the defined rules.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP Notes can provide insights into similar issues faced by other users and potential fixes.
  Transaction Codes: Familiarize yourself with relevant transaction codes that may help in troubleshooting, such as SE11 (Data Dictionary), SE37 (Function Modules), or SE80 (Object Navigator).
  User Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  If the issue persists after trying the above solutions, it may be beneficial to involve your SAP support team or consult with SAP directly for further assistance.