How To Fix CM_REPORT_TEMPLATE175 - Symbol &1: parameter must be a character string

SAP Error Message - Details

• Message type: E = Error

• Message class: CM_REPORT_TEMPLATE - Report Templates

• Message number: 175

• Message text: Symbol &1: parameter must be a character string

What causes this issue?

The parameter for expansion mode reference R: must be a character
string. This character string must be enclosed in parenthesis and
contain at least one character.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Add a character string of at least one character to symbol &V1&, or use
another expansion mode other than reference R:.
<ZH>Note:</> The expansion mode depends on the symbol type, for example,
<(><<)>01G1013008VA(P)>, for phrases (P).
Example
<NP><(><<)>01G1013008VA(R:"333")>:</> is a value character string
<NP><(><<)>01G1013008VA(R:"")>:</> is empty and therefore an invalid
character string

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CM_REPORT_TEMPLATE175 - Symbol &1: parameter must be a character string ?

  The SAP error message CM_REPORT_TEMPLATE175, which states "Symbol &1: parameter must be a character string," typically occurs in the context of ABAP programming or when working with report templates in SAP. This error indicates that a parameter expected to be a character string is not being provided in the correct format.
  Cause:
  
  Incorrect Data Type: The parameter being passed to a function or method is not of the expected character string type. This could happen if a numeric value, a structure, or another data type is being passed instead of a string.
  Variable Initialization: The variable that is supposed to hold the character string may not have been initialized properly or may have been assigned a value of a different type.
  Function Module/Method Call: If you are calling a function module or method that expects a character string, ensure that the parameters you are passing match the expected data types.
  
  Solution:
  
  Check Parameter Types: Review the code where the error occurs and ensure that the parameter being passed is indeed a character string. You can use the TYPE statement to define the variable as a character string.
  DATA: lv_string TYPE string.
  
  Debugging: Use the debugger to inspect the values and types of the variables being passed to the function or method. This will help you identify if any variable is not of the expected type.
  Data Conversion: If you need to convert a non-character type to a string, use appropriate conversion functions. For example, you can use CONCATENATE or WRITE statements to convert numbers or other types to strings.
  DATA: lv_number TYPE i VALUE 123.
  DATA: lv_string TYPE string.
  lv_string = lv_number.
  
  Review Documentation: Check the documentation for the function module or method you are using to ensure you are passing the correct parameters.
  
  Related Information:
  
  ABAP Data Types: Familiarize yourself with ABAP data types and how to declare and use them properly.
  Function Module Documentation: Look up the specific function module or method in the SAP documentation to understand the expected parameter types.
  SAP Community: If you are unable to resolve the issue, consider reaching out to the SAP Community or forums for additional support and insights from other developers who may have encountered similar issues.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.