Oracle Error ORA-19586: string k-byte limit is too small to hold piece directory

Oracle Error Message

ORA-19586: string k-byte limit is too small to hold piece directory

Reason for the Error

The user-specified limit for MAXPIECESIZE for this channel is not enough to hold the backup set control data.

Solution

Allocate a channel specifying a larget valule for MAXPIECESIZE and retry the operation.