第一次装netbackup， Unable to start NetBackup daemon bpdbm

版本centos7，netbackup7.7.3
ERROR: Unable to start NetBackup daemon bpdbm. Rerun
/usr/openv/netbackup/bin/install_bp when the problem
has been resolved.
装完之后报错，我是直接把NetBackup_7.7.3_LinuxR_x86_64.tar.gz包解压./install ,是包的原因还是什么原因呢