How To Fix FC473 - The key cannot start with "'$".

SAP Error Message - Details

• Message type: E = Error

• Message class: FC - FI configuration error messages

• Message number: 473

• Message text: The key cannot start with "'$".

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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Smart SAP Assistant

• What is the cause and solution for SAP error message FC473 - The key cannot start with "'$". ?

  The SAP error message FC473, which states "The key cannot start with "'$"," typically occurs in the context of financial accounting or when dealing with certain configuration settings in SAP. This error indicates that a key (such as a document number, account number, or other identifiers) is being entered or processed in a way that is not compliant with the system's requirements.
  Cause:
  
  Invalid Key Format: The key you are trying to use starts with the characters "'$". In SAP, certain keys must adhere to specific formatting rules, and starting with these characters is not allowed.
  Configuration Issues: There may be a configuration setting that is incorrectly set, leading to the generation of keys that do not meet the required format.
  Data Entry Error: The user may have inadvertently entered a key with an invalid format.
  
  Solution:
  
  Check the Key: Review the key you are trying to use and ensure it does not start with "'$". Modify the key to comply with the required format.
  Review Configuration Settings: If this error occurs frequently, check the configuration settings related to the keys in the relevant module (e.g., financial accounting). Ensure that the settings are correct and do not allow for invalid key formats.
  Consult Documentation: Refer to SAP documentation or help resources for guidelines on valid key formats for the specific transaction or module you are working with.
  User Training: If the issue is due to user error, consider providing training or guidelines to users on how to correctly enter keys in the system.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP Notes can provide additional context or solutions.
  Transaction Codes: If this error occurs during a specific transaction, note the transaction code and consult the relevant documentation for that transaction.
  Support: If the issue persists after checking the key and configuration, consider reaching out to your SAP support team or consulting with an SAP expert for further assistance.
  
  By addressing the key format and ensuring compliance with SAP's requirements, you should be able to resolve the FC473 error.