A row was dropped because it could not be converted to the new schema format

Error constant SQLE_ROW_DROPPED_DURING_SCHEMA_UPGRADE
ODBC 2 State OK
ODBC 3 State OK
Severity 10
SQLCODE 130
SQLSTATE 01W21
Sybase error code 13588
Probable cause

A row that was valid in the old schema is no longer valid. This could be because a column domain changed and the old value can not be cast to the new domain. Rows are also dropped if a uniqueness or foreign key constraint cannot be satisfied.