-79859 Invalid UDT field number
Explanation
Your application called a UDTMetaData.setXXX() or UDTMetaData.getXXX() method and specified a field number that was less than 0 or greater than the value set through the UDTMetaData.setFieldCount() method.
Your application called a UDTMetaData.setXXX() or UDTMetaData.getXXX() method and specified a field number that was less than 0 or greater than the value set through the UDTMetaData.setFieldCount() method.