Error code
Oracle ORA-01840
ORACLEORA-01840
Database Error Code· An error code returned by a database server such as PostgreSQL or MySQL.
What it means
input value not long enough for date format — string too short for the date mask.
How to fix it
- Ensure the date string length matches the format mask exactly.
- Use TO_DATE with an explicit format that matches the actual string (e.g. TO_DATE('2024-01-15'.
Not affiliated with Oracle. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.
More Oracle codes
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