issue on CentOS 8

[atiqch]

Please find it is returning issues on CentOS 8/ cPanel v98.0.7 .

tail -f /usr/local/cpanel/logs/error_log
Server Error from 127.0.0.1: 403 Forbidden Access denied
Server Error from 127.0.0.1: 403 Forbidden Access denied at /usr/local/cpanel/3rdparty/perl/532/lib/perl5/cpanel_lib/cPanel/PublicAPI.pm line 526.
[2021-09-20 14:37:53 -0400] warn [whostmgrd] The subprocess (/usr/local/cpanel/whostmgr/docroot/cgi/addons/ipmanager/index.cgi) exited with an error (ID 47461061862214): The subprocess reported error number 255 when it ended. at /usr/local/cpanel/Cpanel/Server/Handlers/SubProcess.pm line 264.
Cpanel::Server::Handlers::SubProcess::_report_subprocess_errors(Cpanel::Server::Handlers::SubProcess=HASH(0x253fda0)) called at /usr/local/cpanel/Cpanel/Server/Handlers/SubProcess.pm line 111
Cpanel::Server::Handlers::SubProcess::handler(Cpanel::Server::Handlers::SubProcess=HASH(0x253fda0), CPANEL_HIDDEN, CPANEL_HIDDEN..., CPANEL_HIDDEN, 1004942, CPANEL_HIDDEN, GLOB(0x25f7068), CPANEL_HIDDEN, ...) called at cpsrvd.pl line 7387
cpanel::cpsrvd::cgiHandler(CPANEL_HIDDEN, CPANEL_HIDDEN, CPANEL_HIDDEN, CPANEL_HIDDEN) called at cpsrvd.pl line 6825
cpanel::cpsrvd::dodoc_whostmgrd() called at cpsrvd.pl line 2075
cpanel::cpsrvd::dodoc(HASH(0x14bca18)) called at cpsrvd.pl line 1812
cpanel::cpsrvd::handle_one_connection(6) called at cpsrvd.pl line 1131
cpanel::cpsrvd::script() called at cpsrvd.pl line 440
Server Error from 127.0.0.1: 403 Forbidden Access denied
Server Error from 127.0.0.1: 403 Forbidden Access denied at /usr/local/cpanel/3rdparty/perl/532/lib/perl5/cpanel_lib/cPanel/PublicAPI.pm line 526.
[2021-09-20 14:39:02 -0400] warn [whostmgrd] The subprocess (/usr/local/cpanel/whostmgr/docroot/cgi/addons/ipmanager/index.cgi) exited with an error (ID 6639150062847): The subprocess reported error number 255 when it ended. at /usr/local/cpanel/Cpanel/Server/Handlers/SubProcess.pm line 264.
Cpanel::Server::Handlers::SubProcess::_report_subprocess_errors(Cpanel::Server::Handlers::SubProcess=HASH(0x253fda0)) called at /usr/local/cpanel/Cpanel/Server/Handlers/SubProcess.pm line 111
Cpanel::Server::Handlers::SubProcess::handler(Cpanel::Server::Handlers::SubProcess=HASH(0x253fda0), CPANEL_HIDDEN, CPANEL_HIDDEN..., CPANEL_HIDDEN, 1005270, CPANEL_HIDDEN, GLOB(0x253ff80), CPANEL_HIDDEN, ...) called at cpsrvd.pl line 7387
cpanel::cpsrvd::cgiHandler(CPANEL_HIDDEN, CPANEL_HIDDEN, CPANEL_HIDDEN, CPANEL_HIDDEN) called at cpsrvd.pl line 6825
cpanel::cpsrvd::dodoc_whostmgrd() called at cpsrvd.pl line 2075
cpanel::cpsrvd::dodoc(HASH(0x14bca18)) called at cpsrvd.pl line 1812
cpanel::cpsrvd::handle_one_connection(6) called at cpsrvd.pl line 1131
cpanel::cpsrvd::script() called at cpsrvd.pl line 440

[atiqch]

It was loading blank page but Changing "Allow deprecated WHM accesshash authentication" to On resolved my issue