failed to print report from forms

tried to print report from forms app (11G) on Windows 10 host but failed with the error message:

FRM-41213: unable to connect to the Report server RPtSvr_<host name>_asinst_1.

checked the report server status which is up by running opmctl status as this:

C:\Oracle\Middleware\asinst_1\bin>opmnctl status

Processes in Instance: asinst_1

--------------------------------------------------------------------------------------------------------------

ias-component                                      | process-type                      |     pid   | status

--------------------------------------------------------------------------------------------------------------

emagent_asinst_1                                | EMAGENT                         |    8612 | Alive

RptSvr_<host name_asinst_1              | ReportsServerComp~        |    6348 | Alive

namingservice                                      | namingservice                    |    6220 | Alive

ohs1                                                     | OHS                                    |    6184 | Alive

and also replaced 127.0.0.1 with the host ip address in hosts file.

using build-in procedure to print the report as this:

RP2RRO.RP2RRO_RUN_PRODUCT( REPORTS ,lower('<report name>') ,SYNCHRONOUS ,BATCH ,FILESYSTEM ,param_list_id) ;