Contents Index Column '%1' in table '%2' cannot be NULL Column '%1' not found

ASA Error Messages
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Column '%1' in table '%2' cannot be NULL. The invalid data was supplied to load table in a data file on line %3.

Item Value
SQLCODE -184
Constant SQLE_COLUMN_CANNOT_BE_NULL_LOAD_TABLE
SQLSTATE 23501
Sybase error code 13885
ODBC 2 State 23000
ODBC 3 State 23000
Parameter 1 Name of the column that cannot be NULL.
Parameter 2 Name of the table containing the column.
Parameter 3 The line number of the data file containing the invalid data.
Probable cause 

You either have not supplied a value where a value is required or a data conversion was necessary which resulted in a NULL value. The column definition prohibits NULL values or the column is part of a NOT NULL foreign key.

Contents Index Column '%1' in table '%2' cannot be NULL Column '%1' not found