Error
Error Code:
8
SAP S/4HANA Error 8: Invalid Argument Provided
Description
This error indicates that a function, program, or API within SAP S/4HANA received an input argument that is invalid or does not conform to the expected data type, format, or range. It commonly occurs when users enter incorrect data, during integrations, or when custom code passes malformed parameters to a standard function.
Error Message
ERR_INV_ARGUMENT
Known Causes
3 known causesIncorrect User Input
A user entered data into a field that does not match the required format, such as text in a numeric field or an invalid date.
API or Integration Data Mismatch
An external system or API passed an argument to SAP S/4HANA that does not conform to the expected parameters or data structure.
Custom Code Parameter Error
Custom ABAP code or an extension attempted to call a standard SAP function with an incorrect or missing argument.
Solutions
3 solutions available1. Validate Input Parameters in Custom ABAP Code medium
Ensure that all parameters passed to S/4HANA functions or reports are valid and adhere to expected data types and formats.
1
Identify the specific S/4HANA transaction, report, or custom program that is triggering Error 8. This usually requires analyzing the system logs (SM21) or short dump (ST22) to pinpoint the exact program and line number.
2
Examine the code surrounding the error location. Focus on any input parameters being passed to function modules, BAPIs, or internal methods. Look for variables that are expected to be a certain data type (e.g., date, number, character string) or fall within a specific range.
3
Implement validation checks for these input parameters. This can involve using ABAP's built-in data type checks, range checks, or custom logic to ensure data integrity before it's processed.
DATA: lv_date TYPE d.
IF lv_date IS INITIAL OR NOT IS_VALID_DATE( lv_date ).
MESSAGE 'Invalid date provided.' TYPE 'E'.
ENDIF.4
If the error occurs during data migration or interface processing, review the source data for inconsistencies or incorrect formats that are being passed to S/4HANA.
2. Review and Correct SAP Standard Configuration Issues medium
Verify that relevant SAP S/4HANA configuration settings are correct and that no invalid values have been inadvertently entered.
1
Consult the SAP S/4HANA system logs (SM21) or short dumps (ST22) to identify the specific configuration object or area related to the error. Error 8 often points to an issue with a specific business object or process configuration.
2
Navigate to the relevant SAP configuration transaction (e.g., SPRO). Trace the execution path indicated in the error message to locate the problematic configuration setting.
3
Carefully examine the values entered for the configuration parameters. Ensure they conform to SAP's expected data types, formats, and business rules. For instance, check for incorrect plant codes, company codes, currency codes, or other master data references.
4
If a configuration value appears incorrect or is missing, correct it according to SAP best practices and the business requirements. Test the transaction or process again after making the correction.
3. Address Data Type Mismatches in Database Operations advanced
Ensure that data types and lengths match between ABAP variables and database table fields when performing direct database operations or using internal tables that interact with the database.
1
Analyze the short dump (ST22) or system logs (SM21) for Error 8. Look for references to specific database tables and fields involved in the operation.
2
If custom ABAP code is involved, review `EXEC SQL` statements or any implicit database operations performed through internal tables. Compare the data types and lengths of the ABAP variables being used with the corresponding database table fields.
SELECT * FROM my_custom_table INTO TABLE @DATA(lt_data)
WHERE field1 = @lv_char_var.3
Ensure that the data being assigned or compared is compatible. For example, attempting to insert a string longer than the database field allows, or assigning a date to a numeric field, will cause this error.
4
Modify the ABAP code to ensure data type and length compatibility. This might involve explicit type casting, length adjustments, or using appropriate conversion routines. If using Open SQL, ensure the host variables match the table field types.
DATA: lv_numeric_field TYPE i.
DATA: lv_char_field TYPE c LENGTH 10.
" Incorrect assignment if lv_numeric_field is not convertible to character or exceeds length.
" lv_char_field = lv_numeric_field.
" Correct approach if conversion is needed:
lv_char_field = |{ lv_numeric_field ALPHA=OUT }|.