We are getting the below warning alerts, how to fix them automatically without manual intervention.
-------------start of error/warning details--------
RMAN-06207: warning: 1 objects could not be deleted for SBT_TAPE channel(s) due
RMAN-06208: to mismatched status. Use CROSSCHECK command to fix status
RMAN-06210: List of Mismatched objects
RMAN-06211: ==========================
RMAN-06212: Object Type Filename/Handle
RMAN-06213: --------------- ---------------------------------------------------
RMAN-06214: Backup Piece DMS1Q_set13177_piece1_20221206_rp1engsv_13177_1_1
RMAN-06207: warning: 1 objects could not be deleted for SBT_TAPE channel(s) due
RMAN-06208: to mismatched status. Use CROSSCHECK command to fix status
RMAN-06210: List of Mismatched objects
RMAN-06211: ==========================
RMAN-06212: Object Type Filename/Handle
RMAN-06213: --------------- ---------------------------------------------------
RMAN-06214: Backup Piece DMS1Q_set13179_piece1_20221206_rr1enh6j_13179_1_1
RMAN-06207: warning: 1 objects could not be deleted for SBT_TAPE channel(s) due
RMAN-06208: to mismatched status. Use CROSSCHECK command to fix status
RMAN-06210: List of Mismatched objects
RMAN-06211: ==========================
RMAN-06212: Object Type Filename/Handle
RMAN-06213: --------------- ---------------------------------------------------
RMAN-06214: Backup Piece DMS1Q_set13189_piece1_20221216_s51fg0i5_13189_1_1
RMAN-06207: warning: 1 objects could not be deleted for SBT_TAPE channel(s) due
RMAN-06208: to mismatched status. Use CROSSCHECK command to fix status
RMAN-06210: List of Mismatched objects
RMAN-06211: ==========================
RMAN-06212: Object Type Filename/Handle
RMAN-06213: --------------- ---------------------------------------------------
RMAN-06214: Backup Piece DMS1Q_set13181_piece1_20221206_rt1eni8u_13181_1_1
RMAN-06207: warning: 1 objects could not be deleted for SBT_TAPE channel(s) due
RMAN-06208: to mismatched status. Use CROSSCHECK command to fix status
RMAN-06210: List of Mismatched objects
RMAN-06211: ==========================
RMAN-06212: Object Type Filename/Handle
RMAN-06213: --------------- ---------------------------------------------------
RMAN-06214: Backup Piece DMS1Q_set13183_piece1_20221206_rv1enjvg_13183_1_1
RMAN-06207: warning: 1 objects could not be deleted for SBT_TAPE channel(s) due
RMAN-06208: to mismatched status. Use CROSSCHECK command to fix status
RMAN-06210: List of Mismatched objects
RMAN-06211: ==========================
RMAN-06212: Object Type Filename/Handle
RMAN-06213: --------------- ---------------------------------------------------
RMAN-06214: Backup Piece DMS1Q_set13187_piece1_20221216_s31fg0i5_13187_1_1
RMAN-06207: warning: 1 objects could not be deleted for SBT_TAPE channel(s) due
RMAN-06208: to mismatched status. Use CROSSCHECK command to fix status
RMAN-06210: List of Mismatched objects
RMAN-06211: ==========================
RMAN-06212: Object Type Filename/Handle
RMAN-06213: --------------- ---------------------------------------------------
RMAN-06214: Backup Piece DMS1Q_set13186_piece1_20221216_s21fg0i5_13186_1_1
RMAN-06207: warning: 1 objects could not be deleted for SBT_TAPE channel(s) due
RMAN-06208: to mismatched status. Use CROSSCHECK command to fix status
RMAN-06210: List of Mismatched objects
RMAN-06211: ==========================
RMAN-06212: Object Type Filename/Handle
RMAN-06213: --------------- ---------------------------------------------------
RMAN-06214: Backup Piece DMS1Q_set13188_piece1_20221216_s41fg0i5_13188_1_1
-------------end of error/warning details----------
try this: crosscheck backup;