How To Fix WER146 - Type &1 is not of type element, structure or table

SAP Error Message - Details

• Message type: E = Error

• Message class: WER - Messages for the package WER

• Message number: 146

• Message text: Type &1 is not of type element, structure or table

Self-Explanatory Message

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• What is the cause and solution for SAP error message WER146 - Type &1 is not of type element, structure or table ?

  SAP Error Message:
  
  WER146: Type &1 is not of type element, structure or table
  
  Cause:
  This error occurs when you try to use a data type in ABAP that is neither a data element, a structure, nor a table type. In other words, the system expects a type that is a data element, structure, or table type, but the provided type does not meet these criteria.
  Common scenarios include:
  
  Using a domain or a data type that is not a data element or structure where a data element or structure is expected.
  Passing a type reference that is invalid or not defined as a structure/table/data element.
  Using a type that is a primitive type or incompatible type in a context that requires a structured type.
  
  
  Explanation:
  In ABAP, certain statements or declarations require the type to be a data element, structure, or table type. For example, when defining internal tables, field symbols, or data references, the type must be one of these. If you provide a type that is just a domain or a primitive type (like I, C, P), or a type that is not recognized as a structure/table/data element, the system raises this error.
  
  How to Identify the Problem:
  
  Check the type name (&1 in the message) that caused the error.
  Verify in the ABAP Dictionary (SE11) whether this type is a data element, structure, or table type.
  If it is a domain or a primitive type, it is not valid in the context where the error occurred.
  
  
  Solution:
  
  
  Use a valid type:
  
  Replace the type with a data element, structure, or table type.
  If you need a structured type, create a structure or table type in SE11 and use that.
  
  
  
  Check the declaration:
  
  For example, if you are declaring an internal table, ensure the line type is a structure or data element, not a domain or primitive type.
  
  
  
  Adjust the code:
  
  If the code expects a structured type, but you have a primitive type, either change the code or create a structure that includes the primitive type.
  
  
  
  Example:
  TYPES: BEGIN OF ty_line,
           field1 TYPE i,
           field2 TYPE c LENGTH 10,
         END OF ty_line.
  
  DATA: it_table TYPE STANDARD TABLE OF ty_line.
  Here, ty_line is a structure type, valid for internal table declaration.
  
  
  
  Related Information:
  
  ABAP Dictionary (SE11): Use this transaction to check the type definitions.
  Data Types in ABAP:  
  
  Domain: Defines the technical attributes of a field (length, type, etc.) but is not a data element.
  Data Element: Semantic description of a field, used for typing fields.
  Structure: Group of fields.
  Table Type: Defines the line type and table kind for internal tables.
  
  
  Common ABAP statements affected:  
  
  DATA declarations for internal tables or field symbols.
  FIELD-SYMBOLS or DATA referencing types.
  RTTS (Run Time Type Services) operations.
  
  
  
  
  Summary:
  
  Cause: Using a type that is not a data element, structure, or table type where such a type is required.
  Solution: Use or create a valid data element, structure, or table type.
  Check: Use SE11 to verify the type and adjust your code accordingly.
  
  
  If you provide the exact code snippet or context where the error occurs, I can help you with a more precise fix.