How To Fix 00099 - Field after FROM, TO or CURSOR has incorrect data type

SAP Error Message - Details

• Message type: E = Error

• Message class: 00 -

• Message number: 099

• Message text: Field after FROM, TO or CURSOR has incorrect data type

What causes this issue?

Fields that can be specified for the LOOP AT internal table (FROM, TO,
CURSOR), have an incorrect data type.
&RSYSTEM_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?

Fields must be defined in the same way as SY-INDEX
Example: DATA: START like sy-index.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message 00099 - Field after FROM, TO or CURSOR has incorrect data type ?

  The SAP error message "00099 Field after FROM, TO or CURSOR has incorrect data type" typically occurs in ABAP programming when there is a mismatch in data types in a SELECT statement or when using the cursor in a loop. This error indicates that the fields specified in the SQL statement do not match the expected data types.
  Cause:
  
  Data Type Mismatch: The fields specified in the FROM, TO, or CURSOR clauses of your SQL statement do not match the expected data types. For example, if you are trying to compare a character field with a numeric field.
  Incorrect Field Length: The length of the fields being compared or assigned may not match.
  Using a Non-Database Field: Attempting to use a field that is not part of the database table in the SQL statement.
  Improper Variable Declaration: The variable used in the SQL statement may not be declared correctly or may not have the correct data type.
  
  Solution:
  
  Check Data Types: Review the data types of the fields in the database table and ensure that the variables used in the SQL statement match these data types.
  Adjust Variable Declarations: Make sure that all variables used in the SQL statement are declared with the correct data types and lengths.
  Use CAST or CONVERT: If necessary, use the CAST or CONVERT functions to explicitly convert data types to match.
  Review SQL Statement: Double-check the SQL statement for any syntax errors or logical errors that may lead to this issue.
  Debugging: Use debugging tools to step through the code and identify where the data type mismatch occurs.
  
  Related Information:
  
  ABAP Data Types: Familiarize yourself with the different ABAP data types and their corresponding database types.
  Database Table Structure: Use transaction SE11 to view the structure of the database table you are querying to ensure you are using the correct fields.
  SAP Notes: Check SAP Notes for any known issues or additional guidance related to this error message.
  Documentation: Refer to the official SAP documentation for more details on SQL statements and data types in ABAP.
  
  By following these steps, you should be able to identify and resolve the cause of the error message "00099 Field after FROM, TO or CURSOR has incorrect data type."