How To Fix CR304 - The parameter name is a reserved word.

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 304

• Message text: The parameter name is a reserved word.

What causes this issue?

You have entered a name for a parameter that was already given to
another object (for example, for an operator in a program).

How to fix this error?

Enter a different name for the parameter.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CR304 - The parameter name is a reserved word. ?

  The SAP error message CR304, which states "The parameter name is a reserved word," typically occurs in the context of SAP Crystal Reports or similar reporting tools when a parameter name conflicts with a reserved keyword in the programming or query language being used.
  Cause:
  The error arises when you attempt to create or use a parameter in your report that has the same name as a reserved word or keyword in the underlying database or reporting language. Reserved words are terms that have special meaning in programming languages or query languages (like SQL) and cannot be used as identifiers (such as variable names, parameter names, etc.).
  Common Reserved Words:
  Some common reserved words include:
  
  SELECT
  FROM
  WHERE
  JOIN
  ORDER
  GROUP
  AND
  OR
  
  Solution:
  To resolve the CR304 error, you can take the following steps:
  
  
  Rename the Parameter: Change the name of the parameter to something that does not conflict with reserved words. For example, if your parameter is named "SELECT", you could rename it to "Param_Select" or "UserSelect".
  
  
  Check Documentation: Refer to the documentation of the database or reporting tool you are using to identify reserved words specific to that environment.
  
  
  Use Brackets or Quotes: In some cases, you can enclose the parameter name in brackets (e.g., [ParameterName]) or quotes (e.g., "ParameterName"), but this is not always a guaranteed solution and may depend on the context.
  
  
  Review SQL Queries: If the parameter is being used in SQL queries, ensure that the SQL syntax is correct and that reserved words are not being used as identifiers.
  
  
  Test Changes: After making changes, test the report to ensure that the error is resolved and that the report functions as expected.
  
  
  Related Information:
  
  Crystal Reports Documentation: Check the official SAP Crystal Reports documentation for more details on parameter creation and reserved words.
  Database Documentation: Review the documentation for the specific database you are querying (e.g., SQL Server, Oracle, MySQL) to understand its reserved words.
  Community Forums: Consider visiting SAP community forums or other technical forums where similar issues may have been discussed.
  
  By following these steps, you should be able to resolve the CR304 error and successfully create and use parameters in your reports.