ORA-19614: archived log thread string sequence

admin

ORA-19614: archivedlog thread string sequencestring notfound in backup set
  14-11
Cause: Theindicated archived log file was named explicitly for restoration but is
not contained in this backup set.
Action: Thismessage is issued when the directory from the first backup piece is
read and one or more files named for restoration were not found. The restore
conversation is still active, but no data has been read and you must supply thefirst
backup piece of a backup set that contains all of the requested files.