Enterprise manager 13c: Error During Agent Installation

While installing agent in target host for oracle enterprise manager 13c, following error is observed

EM 12c, 13c: Error During Agent Installation : Ensure central inventory is owned by install user, has read and write permission

Solution:-

Make sure in inventory_loc in /etc/oraInst.loc file points to a valid inventory location and it is writable by the installing user in the  target host server.

inventory_loc=/DEV/R12DEV/db/tech_st/19.3.0/oraInventory

where <valid inventory location> must be writable by the installing user.