How To Fix FPUIFB075 - Field & is not of type STRING or XSTRING

SAP Error Message - Details

• Message type: E = Error

• Message class: FPUIFB - SAFPUI Message Class (Form Builder)

• Message number: 075

• Message text: Field & is not of type STRING or XSTRING

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message FPUIFB075 - Field & is not of type STRING or XSTRING ?

  The SAP error message FPUIFB075 indicates that a field in your program or function module is expected to be of type STRING or XSTRING, but it is not. This error typically arises in the context of using the SAP Form Processing (FP) framework, particularly when dealing with forms and their associated data.
  Cause:
  
  
  Data Type Mismatch: The field in question is defined with a data type that is not compatible with the expected types (STRING or XSTRING). This could be due to:
  
  Incorrectly defined data types in the ABAP program or function module.
  Mismatched data types when passing parameters to a function or method.
  
  
  
  Form Interface Definition: If you are working with Adobe Forms or Smart Forms, the interface definition may have fields that are not correctly mapped to the expected types.
  
  
  Data Source Issues: The data being passed to the form may not be in the expected format, leading to this error.
  
  
  Solution:
  
  
  Check Field Definitions: Review the field definitions in your ABAP program or function module. Ensure that the fields that are causing the error are defined as STRING or XSTRING.
  
  
  Modify Data Types: If you find that the field is of a different type (e.g., CHAR, NUMC, etc.), you may need to convert it to STRING or XSTRING before passing it to the function or form.
  Example of conversion:
  DATA(lv_string) = your_field.
  
  
  Review Form Interface: If you are using a form (like Adobe Forms), check the interface of the form to ensure that the data types of the fields match the expected types.
  
  
  Debugging: Use debugging tools to trace the data flow and identify where the incorrect data type is being introduced. This can help you pinpoint the exact location of the issue.
  
  
  Consult Documentation: Refer to SAP documentation or notes related to the specific function or form you are working with for any additional requirements or constraints regarding data types.
  
  
  Related Information:
  
  ABAP Data Types: Familiarize yourself with the different data types in ABAP, especially STRING and XSTRING, to understand their usage and conversion.
  SAP Notes: Check SAP Notes for any known issues or patches related to the FP framework or specific forms you are using.
  SAP Community: Engage with the SAP Community forums for insights from other developers who may have encountered similar issues.
  
  By following these steps, you should be able to resolve the FPUIFB075 error and ensure that your fields are correctly defined and passed to the relevant functions or forms.