CrystalReports: ORA-01840: input value not long enough for date format

 Error opening CustomerInfo report.

Unexpected database connector error

ORA-01840: input value not long enough for date format

The above error will happen if a date field in the database has a NULL value.

You can fix it by either changing your SQL to replace the NULL value with a valid date value such as using the function nvl(fieldName, ValidDate), or making the date field in the database not null. 

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