Problem in Oracle 19c Replication

Replication is working fine on the other servers, however on DB_B there's some problem; It is unable to receive archives. **Can someone help me out? If I have missed any parameters, please do let me know.** **EDIT:** Primary is DB_A and DR is DB_B Configurations on the primary

NAME               TYPE   VALUE                                                                                 
------------------ ------ ------------------------------------------------------------------------------------- 
log_archive_dest_5 string service=DB_B ASYNC valid_for=(online_logfile,all_roles) db_unique_name=DB_B 


NAME       TYPE   VALUE                              
---------- ------ ---------------------------------- 
fal_client string DB_A                            
fal_server string DB_C, DB_D, DB_E, DB_B 

NAME               TYPE   VALUE                                               
------------------ ------ --------------------------------------------------- 
log_archive_config string DG_CONFIG=(DB_C,DB_D,DB_E,DB_B,DB_A)

TNSPing also successful On DR

NAME                                 TYPE        VALUE
------------------------------------ ----------- --------------------------------
fal_client                           string      DB_B
fal_server                           string      DB_C, DB_D, DB_E, DB_A
                                                 
												 
												 
NAME                                 TYPE        VALUE
------------------------------------ ----------- --------------------------------------------------
log_archive_config                   string      dg_config=(DB_C,DB_A,DB_E,DB_D,DB_B)