how do i get rid of the error described below
UNABLE TO INSTALL IMPERVA AGENTS
Problem Description
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Hi, we are currently installing agents on a Solaris server just to audit databases and apply policies. We however keep receiving an error-
Executing 'installer_command'
Executing 'pkgadd -v -n -a admin -G -d Imperva-ragent-SunOS-v5.11-psparcv9-b13.5.0.20.0.569745.pkg all'
pkgadd: ERROR: ERROR: Unable to acquire package administration lock for this system; try again later
pkgadd: ERROR: Unable to lock this zone for administration
'pkgadd -v -n -a admin -G -d Imperva-ragent-SunOS-v5.11-psparcv9-b13.5.0.20.0.569745.pkg all' returned with 1
'installer_command' returned with 1
There was an OS specific installer problem.
Installation failed and exited