How To Fix C$404 - Symbol &: Identification type & is not defined

SAP Error Message - Details

• Message type: E = Error

• Message class: C$ -

• Message number: 404

• Message text: Symbol &: Identification type & is not defined

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message C$404 - Symbol &: Identification type & is not defined ?

  The SAP error message C$404, which states "Symbol &: Identification type & is not defined," typically occurs in the context of ABAP programming or when working with certain SAP transactions that involve identification types. This error indicates that the system is unable to recognize or find a specific identification type that has been referenced in the code or configuration.
  Cause:
  
  Undefined Identification Type: The identification type being referenced in the code or configuration does not exist in the system. This could be due to a typo, a missing entry in the relevant table, or an incorrect configuration.
  Incorrect Symbol Usage: The use of the symbol '&' in the context may not be valid, leading to the error.
  Missing Customization: If the identification type is a custom one, it may not have been properly defined or activated in the system.
  
  Solution:
  
  Check Identification Type: Verify that the identification type being referenced is correctly defined in the system. You can do this by checking the relevant configuration tables or customizing settings.
  Correct Typos: Ensure that there are no typographical errors in the identification type name in your code or configuration.
  Define Missing Types: If the identification type is indeed missing, you may need to create it in the relevant configuration area. This could involve customizing settings in transaction codes like SPRO or using specific configuration transactions related to the module you are working with.
  Review Code: If the error occurs in custom ABAP code, review the code to ensure that the identification type is being used correctly and that it is defined in the appropriate context.
  Consult Documentation: Refer to SAP documentation or help resources for the specific module you are working with to understand the expected identification types and their configurations.
  
  Related Information:
  
  Transaction Codes: Depending on the context, you may need to use transaction codes like SE11 (Data Dictionary), SE80 (Object Navigator), or SPRO (Customizing) to investigate and resolve the issue.
  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.
  Debugging: If you have access to debugging tools, you can set breakpoints in the ABAP code to trace where the error is occurring and gather more context about the variables and their values at runtime.
  
  If the issue persists after following these steps, consider reaching out to your SAP support team or consulting with an SAP expert for further assistance.