REP-1804: Unable to open printer definition file HPL.prt

REP-0069: Internal error

REP-57054: In-process job terminated:Terminated with error:

REP-1804: Unable to open printer definition file '/apps/apps_st/appl/CUST_TOP/12.0.0/reports/HPL.prt'.

Solution :- 

Verify HPL.prt file location and copy HPL.prt file to ('/apps/apps_st/appl/CUST_TOP/12.0.0/reports/HPL.prt') path.

[applmgr@oracle ]$ locate HPL.prt

/apps/apps_st/appl/fnd/12.0.0/reports/HPL.prt

[applmgr@oracle ]$ cp /apps/apps_st/appl/fnd/12.0.0/reports/HPL.prt  /apps/apps_st/appl/CUST_TOP/12.0.0/reports/

Now retest issue.