How To Fix CR303 - The parameter name has an invalid special character.

SAP Error Message - Details

• Message type: E = Error

• Message class: CR - (1,099) Work Center; (100,200) Capacity

• Message number: 303

• Message text: The parameter name has an invalid special character.

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CR303 - The parameter name has an invalid special character. ?

  The SAP error message CR303, which states "The parameter name has an invalid special character," typically occurs when you are trying to create or modify a parameter in SAP that contains characters not allowed by the system. This can happen in various contexts, such as when defining variables, parameters, or configuration settings.
  Cause:
  The error is caused by the inclusion of special characters in the parameter name that are not permitted by SAP. Valid parameter names usually consist of alphanumeric characters (A-Z, 0-9) and may include underscores (_), but they cannot contain spaces or special characters like @, #, $, %, etc.
  Solution:
  To resolve this error, follow these steps:
  
  
  Check the Parameter Name: Review the parameter name you are trying to use. Ensure that it only contains valid characters (letters, numbers, and underscores).
  
  
  Rename the Parameter: If the parameter name contains invalid characters, rename it to conform to the allowed naming conventions. For example, change my@parameter to my_parameter.
  
  
  Review Documentation: Consult the SAP documentation or guidelines for naming conventions specific to the context in which you are working (e.g., ABAP programs, configuration settings).
  
  
  Test Changes: After renaming the parameter, try to save or execute the operation again to see if the error persists.
  
  
  Related Information:
  
  SAP Naming Conventions: Familiarize yourself with SAP's naming conventions for parameters, variables, and other identifiers. This can help prevent similar errors in the future.
  Transaction Codes: If you are working within a specific transaction code (e.g., SE11 for Data Dictionary, SE37 for Function Modules), ensure that you are following the rules applicable to that transaction.
  SAP Notes: Check SAP Notes or the SAP Community for any specific guidance or updates related to this error message.
  
  By ensuring that your parameter names adhere to the allowed character set, you should be able to resolve the CR303 error effectively.