More columns are being dropped from table '%1' than are defined

Item	Value
SQLCODE	-124
Constant	SQLE_TOO_MANY_COLUMNS_DELETED
SQLSTATE	42W44
Sybase error code	207
ODBC 2 State	37000
ODBC 3 State	42000

Probable cause

The number of columns in a table can never fall below one. Your ALTER TABLE has more drop/delete column clauses than the current number of columns in the table.