Fresh install Leap15.2 build (server mode), error happen  try register at SCC
to get the SUSE Linux Enterprise Server repositories, the command process exit
directly and no chance to select option.

Refer following link.
https://documentation.suse.com/sles/15-SP1/html/SLES-all/cha-upgrade-online.html#sec-upgrade-online-opensuse-to-sle

SUSEConnect -r xxxx -p SLES/15.2/x86_64

c76:~ # SUSEConnect -r deedc51104e549deb -p SLES/15.2/x86_64
Registering system to SUSE Customer Center

Updating system details on https://scc.suse.com ...

Activating SLES 15.2 x86_64 ...
-> Adding service to system ...
-> Installing release package ...
command 'zypper --no-refresh --non-interactive install --no-recommends
--auto-agree-with-product-licenses -t product SLES' failed
Error: zypper returned (4) with 'Building repository
'SLE-Product-SLES15-SP2-Pool' cache [....done]
Building repository 'SLE-Product-SLES15-SP2-Updates' cache [....done]
Loading repository data...
Reading installed packages...
Resolving package dependencies...
2 Problems:
Problem: product:openSUSE-15.2-1.x86_64 conflicts with
namespace:otherproviders(distribution-release) provided by
product:SLES-15.2-0.x86_64
Problem: product:SLES-15.2-0.x86_64 requires product(SLES) = 15.2-0, but this
requirement cannot be provided

Problem: product:openSUSE-15.2-1.x86_64 conflicts with
namespace:otherproviders(distribution-release) provided by
product:SLES-15.2-0.x86_64
 Solution 1: deinstallation of product:openSUSE-15.2-1.x86_64
 Solution 2: do not install product:SLES-15.2-0.x86_64

Choose from above solutions by number or skip, retry or cancel [1/2/s/r/c/d/?]
(c): c'    <==== exit directly and no chance to input any option
c76:~ # 
c76:~ #