Underflow when converting '%1'

Error constant SQLE_UNDERFLOW
ODBC 2 State ERROR
ODBC 3 State 42000
Parameter 1 The type being converted.
Severity 16
SQLCODE –1280
SQLSTATE WW232
Sybase error code 13806
Probable cause

An underflow occurred when converting the specified type. The source type may be too small (for example zero length binary) or value may be too small to be represented by the destination type.