Error
Error Code:
435
SAP S/4HANA Error 435: Invalid SQL Expression Found
Description
This error signifies that an SQL expression within a custom report, query, or integration is malformed or contains invalid syntax. It typically occurs when SAP S/4HANA attempts to execute a database operation with an improperly structured or incorrect expression, preventing the operation from completing.
Error Message
ERR_SQL_INV_EXP
Known Causes
4 known causesIncorrect SQL Syntax
A custom report, query, or view contains syntax errors such as missing keywords, incorrect operators, or misplaced parentheses in its SQL statement.
Invalid Field or Table Reference
The SQL expression attempts to reference a database field or table that does not exist, is misspelled, or is inaccessible within the current S/4HANA context.
Data Type Mismatch
The SQL expression tries to perform an operation (e.g., comparison, arithmetic) between fields with incompatible data types, leading to an invalid expression.
Corrupted Custom Code
Essential custom ABAP code or SQL views used by a report or transaction are missing, incomplete, or have been corrupted, leading to an invalid expression during execution.
Solutions
3 solutions available1. Review and Correct Application Program SQL Statements medium
Identify and fix invalid SQL syntax within custom or standard SAP S/4HANA application programs.
1
Identify the specific application program or transaction that is triggering the error 435. This often requires checking SAP system logs (SM21), ST22 dumps, or the application's own error reporting.
2
If the error is traced to custom ABAP code, review the relevant ABAP programs for SQL statements. Pay close attention to syntax errors, incorrect use of keywords, invalid function calls, or incorrect data type handling within the SQL expressions.
3
For standard SAP programs, the issue might be due to a recent upgrade, a bug, or incorrect configuration. In such cases, search SAP Notes for error 435 related to the specific transaction or program. If no notes are found, consider opening an incident with SAP Support.
4
Example of a common SQL syntax error in ABAP that could lead to this: using a non-existent function or operator, or incorrect placement of clauses.
SELECT * FROM some_table WHERE some_function(column_name) = 'value'.
-- If some_function is not a valid SQL function for the underlying database, this could cause ERR_SQL_INV_EXP.5
Correct the identified SQL syntax errors in the ABAP code. If it's a standard program, apply relevant SAP Notes or workarounds provided by SAP.
2. Validate Database-Specific SQL Syntax medium
Ensure that SQL statements comply with the syntax rules of the underlying SAP HANA database.
1
The error message ERR_SQL_INV_EXP suggests a problem with the structure or content of an SQL expression that the SAP S/4HANA system is trying to execute against the database.
2
If you are directly interacting with the SAP HANA database (e.g., via SQL Console in HANA Studio or SAP Business Application Studio), carefully review the SQL statements being executed. Ensure all keywords, functions, and operators are valid for SAP HANA SQL.
3
Common causes include:
- Using reserved words as identifiers without proper quoting.
- Incorrect use of aggregate functions or window functions.
- Invalid syntax for subqueries or joins.
- Typos in function names or keywords.
- Using reserved words as identifiers without proper quoting.
- Incorrect use of aggregate functions or window functions.
- Invalid syntax for subqueries or joins.
- Typos in function names or keywords.
4
Use the SAP HANA SQL Reference documentation to verify the syntax of any complex SQL expressions or custom functions being used. For instance, ensure that functions like `TO_DATE`, `SUBSTR`, or analytical functions are used with the correct parameters and syntax.
SELECT TO_DATE('2023-10-27', 'YYYY-MM-DD') FROM DUMMY;5
Test the SQL statements in a controlled environment (e.g., HANA SQL Console) before deploying them into the S/4HANA application.
3. Check for Invalid Data Type Mismatches in SQL medium
Resolve issues where data types in SQL expressions do not match expected types, leading to invalid expressions.
1
Error 435 can occur if an SQL expression attempts to perform an operation on data types that are incompatible. This is common in WHERE clauses, JOIN conditions, or when casting data.
2
Review SQL statements that involve comparisons, calculations, or function calls with different data types. For example, comparing a string to a number without explicit conversion can lead to this error.
3
Use explicit type casting functions to ensure data type compatibility. In SAP HANA, common casting functions include `CAST`, `CONVERT`, `TO_NVARCHAR`, `TO_DECIMAL`, etc.
SELECT * FROM some_table WHERE CAST(numeric_column AS NVARCHAR(50)) = '123';
-- Or, if comparing dates:
SELECT * FROM some_table WHERE DATE_COLUMN = TO_DATE('2023-10-27', 'YYYY-MM-DD');4
Examine stored procedures or user-defined functions if they are part of the execution path, as they might contain invalid type conversions or expressions.
5
If using ABAP, ensure that the ABAP data types used to pass values to the database (e.g., in `SELECT` statements with `WHERE` clauses) are compatible with the database column types or are correctly handled by the Open SQL statement.