Post your config and will try again, I have no idea why your previous thread was deleted. I think someone made an error and instead of deleting perhaps one post they deleted the entire thread?
/interface bridge
add name=bridge1_LAN
/interface ethernet
set [ find default-name=ether1 ] name=ether1-WAN1 poe-out=off
set [ find default-name=ether2 ] name=ether2-WAN2
set [ find default-name=ether3 ] disabled=yes name=ether3-WAN3
/ip pool
add name=dhcp-pool ranges=192.168.8.2-192.168.8.254
/ip dhcp-server
add address-pool=dhcp-pool interface=bridge1_LAN name=dhcp1
/port
set 0 name=serial0
/routing table
add disabled=no fib name=to_WAN1
add disabled=no fib name=to_WAN2
add disabled=no fib name=to_WAN3
add disabled=no fib name=LiveERP
/interface bridge port
add bridge=bridge1_LAN interface=ether4
add bridge=bridge1_LAN interface=ether5
/ip firewall connection tracking
set udp-timeout=10s
/ipv6 settings
set disable-ipv6=yes max-neighbor-entries=15360
/ip address
add address=192.168.101.11/24 comment=WAN1 interface=ether1-WAN1 network=\
192.168.101.0
add address=192.168.102.11/24 comment=WAN2 interface=ether2-WAN2 network=\
192.168.102.0
add address=192.168.3.11/24 comment=WAN3 disabled=yes interface=ether2-WAN2 \
network=192.168.3.0
add address=192.168.8.1/24 comment="Access Point" interface=bridge1_LAN \
network=192.168.8.0
/ip cloud
set ddns-enabled=yes ddns-update-interval=1m
/ip dhcp-server alert
add disabled=no interface=bridge1_LAN valid-server=48:A9:8A:97:28:85
/ip dhcp-server network
add address=192.168.8.0/24 gateway=192.168.8.1
/ip dns
set allow-remote-requests=yes cache-size=10000KiB servers=\
1.1.1.1,8.8.4.4,8.8.8.8
/ip firewall address-list
add address=
www.myerplive.com list=LiverERP
/ip firewall mangle
add action=mark-routing chain=prerouting dst-address-list=LiverERP \
new-routing-mark=LiveERP passthrough=yes
add action=mark-connection chain=prerouting in-interface=ether1-WAN1 \
new-connection-mark=wan1_conn passthrough=yes
add action=mark-connection chain=prerouting in-interface=ether2-WAN2 \
new-connection-mark=wan2_conn passthrough=yes
add action=mark-connection chain=prerouting disabled=yes in-interface=\
ether3-WAN3 new-connection-mark=wan3_conn passthrough=yes
add action=mark-routing chain=output connection-mark=wan1_conn \
new-routing-mark=to_WAN1 passthrough=no
add action=mark-routing chain=output connection-mark=wan2_conn \
new-routing-mark=to_WAN2 passthrough=no
add action=mark-routing chain=output connection-mark=wan3_conn disabled=yes \
new-routing-mark=to_WAN3 passthrough=no
add action=mark-connection chain=prerouting dst-address-type=!local \
in-interface=bridge1_LAN new-connection-mark=wan1_conn passthrough=yes \
per-connection-classifier=both-addresses-and-ports:2/0
add action=mark-connection chain=prerouting dst-address-type=!local \
in-interface=bridge1_LAN new-connection-mark=wan2_conn passthrough=yes \
per-connection-classifier=both-addresses-and-ports:2/1
add action=mark-connection chain=prerouting disabled=yes dst-address-type=\
!local in-interface=bridge1_LAN new-connection-mark=wan3_conn \
passthrough=yes per-connection-classifier=both-addresses-and-ports:3/2
add action=mark-routing chain=prerouting connection-mark=wan1_conn \
in-interface=bridge1_LAN new-routing-mark=to_WAN1 passthrough=yes
add action=mark-routing chain=prerouting connection-mark=wan2_conn \
in-interface=bridge1_LAN new-routing-mark=to_WAN2 passthrough=yes
add action=mark-routing chain=prerouting connection-mark=wan3_conn disabled=\
yes in-interface=bridge1_LAN new-routing-mark=to_WAN3 passthrough=yes
add action=accept chain=prerouting dst-address=192.168.101.0/24
add action=accept chain=prerouting dst-address=192.168.102.0/24
add action=accept chain=prerouting disabled=yes dst-address=192.168.103.0/24
/ip firewall nat
add action=masquerade chain=srcnat out-interface=ether1-WAN1 src-address=\
192.168.8.0/24
add action=masquerade chain=srcnat out-interface=ether2-WAN2 src-address=\
192.168.8.0/24
add action=masquerade chain=srcnat disabled=yes out-interface=ether3-WAN3 \
src-address=192.168.8.0/24
/ip route
add comment="WAN-2 DNS" disabled=no distance=1 dst-address=1.1.1.1/32 \
gateway=192.168.101.1%ether1-WAN1 pref-src="" routing-table=main scope=10 \
suppress-hw-offload=no target-scope=10
add comment="WAN-2 DNS" disabled=no distance=1 dst-address=8.8.4.4/32 \
gateway=192.168.102.1%ether2-WAN2 pref-src="" routing-table=main scope=10 \
suppress-hw-offload=no target-scope=10
add comment="WAN-3 DNS" disabled=yes distance=1 dst-address=8.8.8.8/32 \
gateway=192.168.3.1 pref-src="" routing-table=main scope=10 \
suppress-hw-offload=no target-scope=10
add disabled=no distance=1 dst-address=0.0.0.0/0 gateway=10.10.10.1 pref-src=\
"" routing-table=to_WAN1 scope=30 suppress-hw-offload=no target-scope=12
add disabled=no distance=2 dst-address=0.0.0.0/0 gateway=10.10.10.2 pref-src=\
"" routing-table=to_WAN2 scope=30 suppress-hw-offload=no target-scope=12
add disabled=yes distance=3 dst-address=0.0.0.0/0 gateway=10.10.10.3 \
pref-src="" routing-table=to_WAN3 scope=30 suppress-hw-offload=no \
target-scope=12
add comment=LiveERP disabled=no distance=1 dst-address=0.0.0.0/0 gateway=\
192.168.102.1 pref-src="" routing-table=LiveERP scope=30 \
suppress-hw-offload=no target-scope=10
add check-gateway=ping comment="DNS 1" disabled=no distance=1 dst-address=\
10.10.10.1/32 gateway=1.1.1.1 routing-table=main scope=10 \
suppress-hw-offload=no target-scope=11
add check-gateway=ping comment="DNS 2" disabled=no distance=1 dst-address=\
10.10.10.2/32 gateway=8.8.4.4 routing-table=main scope=10 \
suppress-hw-offload=no target-scope=11
add check-gateway=ping comment="DNS 3" disabled=yes distance=1 dst-address=\
10.10.10.3/32 gateway=8.8.8.8 routing-table=main scope=10 \
suppress-hw-offload=no target-scope=11
add check-gateway=ping comment=Main disabled=no distance=1 dst-address=\
0.0.0.0/32 gateway=192.168.101.1%ether1-WAN1 pref-src="" routing-table=\
main scope=30 suppress-hw-offload=no target-scope=10
/ip service
set telnet disabled=yes
set ftp disabled=yes
set www port=4478
set ssh disabled=yes
set api disabled=yes
set winbox port=4477
set api-ssl disabled=yes
/system clock
set time-zone-name=Asia/Riyadh
/system note
set show-at-login=no
/system package update
set channel=testing