How to delete "inizializated" VTV?

Hi,

I have several VTVs virtual tapes defined that they never were used, I would like to DELETE them from the HSC data base,

I used DELETSCR VTV(FP8000) NOTREF(1) DET but is failed:

0 SCRATCH VTVS DELETED                                  

0 VTVS EXCLUDED - NOT INITIALIZED                       

0 VTVS EXCLUDED - NOT SCRATCH VOLUME                    

1 SCRATCH VTVS EXCLUDED - NOT RESIDENT AND NOT MIGRATED 

0 SCRATCH VTVS EXCLUDED - REFERENCED WITHIN 1 DAYS      

@D VTV FP8000                                

@SLS6603I VTV FP8000 INFORMATION:            

 VOLSER:               FP8000              

 LAST USED DATE:       2020OCT01 15:36:12  

 STATUS:               INITIALIZED         

@SLS5013I COMMAND COMPLETED (0)              

I tried also to move the volume to MCDEL (DELSCR(YES) ):

VTVMAINT VTV(FP0002) MGMTCLAS(MCDEL)