How To Fix ISSR_TP633 - Data object &1 cannot be assigned to a field symbol

SAP Error Message - Details

• Message type: E = Error

• Message class: ISSR_TP - Message Class for Statutory Reporting

• Message number: 633

• Message text: Data object &1 cannot be assigned to a field symbol

What causes this issue?

In &V2& / &V3& / &V4&, the system cannot assign data object &V1& a field
symbol.

System Response

The system terminates the check/transfer posting of the selected data
records.

How to fix this error?

At the interface of the function module, check whether the name of data
object &V1& is transferred correctly and whether data object &V1& is
part of the structure of statutory reporting data master table <NP>
ISSR_RPI_MFT</>.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message ISSR_TP633 - Data object &1 cannot be assigned to a field symbol ?

  The SAP error message ISSR_TP633 indicates that there is an issue with assigning a data object to a field symbol in ABAP. This typically occurs when the data type of the object being assigned does not match the expected type of the field symbol. Here’s a breakdown of the cause, potential solutions, and related information:
  Cause:
  
  Type Mismatch: The data object you are trying to assign to the field symbol has a different data type than what the field symbol is defined to hold.
  Field Symbol Declaration: The field symbol may not be declared correctly or may not be compatible with the data object.
  Dynamic Assignment: If you are using dynamic assignments, the data type of the object being assigned may not be compatible at runtime.
  
  Solution:
  
  
  Check Data Types: Ensure that the data type of the object you are trying to assign matches the type of the field symbol. You can use the DESCRIBE FIELD statement to check the data type of the object.
  DATA: lv_value TYPE your_type.
  FIELD-SYMBOLS: <fs_value> TYPE your_type.
  ASSIGN lv_value TO <fs_value>.
  
  
  Correct Field Symbol Declaration: Make sure that the field symbol is declared with the correct type. If you are unsure of the type, you can declare it as a generic type using TYPE ANY or TYPE ANY TABLE for internal tables.
  FIELD-SYMBOLS: <fs_value> TYPE ANY.
  
  
  Use CASTING: If you are dealing with object references or complex types, consider using casting to ensure that the assignment is valid.
  ASSIGN CASTING your_object TO <fs_value>.
  
  
  Debugging: Use the debugger to inspect the types of the variables involved in the assignment. This can help you identify where the mismatch is occurring.
  
  
  Check for NULL References: If the data object is a reference type, ensure that it is not null before assignment.
  
  
  Related Information:
  
  Field Symbols: Field symbols in ABAP are similar to pointers in other programming languages. They allow you to dynamically reference data objects.
  Data Types: Understanding ABAP data types is crucial for effective programming. Refer to the SAP documentation for details on data types and their compatibility.
  Dynamic Programming: If you are using dynamic programming techniques, ensure that you are handling types correctly, especially when using ASSIGN with dynamic objects.
  
  By following these steps, you should be able to resolve the ISSR_TP633 error and successfully assign the data object to the field symbol. If the problem persists, consider reviewing the specific context of your code or consulting with a colleague or SAP support for further assistance.