ORA-12547: TNS:lost contact CRS-2675: Stop of 'ora.***.db' on '01' failed

 Issue: 

[oracle@asm-node01 ~]$ srvctl stop database -db DB19c

PRCD-1334 : failed to stop database DB19c

PRCD-1124 : Failed to stop database DB19c and its services

PRCD-1131 : Failed to stop database DB19c and its services on nodes

PRCR-1133 : Failed to stop database DB19c and its running services

PRCR-1132 : Failed to stop resources using a filter

ORA-12547: TNS:lost contact

CRS-2675: Stop of 'ora.db19c.db' on 'asm-node01' failed

Solution: 

[oracle@asm-node01 ~]$ cd $ORACLE_HOME/bin

[oracle@asm-node01 bin]$ ls -ltr oracle

-rwxrwxr-x. 1 oracle asmadmin 441173504 Jun 25 16:55 oracle

[oracle@asm-node01 bin]$ chmod 6751 oracle

[oracle@asm-node01 bin]$ ls -ltr oracle

-rwsr-x--x. 1 oracle asmadmin 441173504 Jun 25 16:55 oracle

--> Stop the database service using SRVCTL 

[oracle@asm-node01 ~]$ srvctl stop database -db DB19c

[oracle@asm-node01 ~]$ srvctl statUS database -db DB19C