For some time I have had this issue to get a clean Slowroll update, refere to the output below:

uname -a
Linux localhost.localdomain 6.8.9-1-default #1 SMP PREEMPT_DYNAMIC Fri May 10 08:51:14 UTC 2024 (d3445e0) x86_64 x86_64 x86_64 GNU/Linux

cat /etc/*release
NAME="openSUSE Tumbleweed-Slowroll"
# VERSION="20240429"

zypper lr
Repository priorities in effect:                                                      (See 'zypper lr -P' for details)
      70 (raised priority)  :  1 repository
      80 (raised priority)  :  1 repository
      99 (default priority) :  3 repositories

# | Alias                    | Name            | Enabled | GPG Check | Refresh
--+--------------------------+-----------------+---------+-----------+--------
1 | openSUSE:repo-non-oss    | repo-non-oss    | Yes     | (r ) Yes  | Yes
2 | openSUSE:repo-openh264   | repo-openh264   | Yes     | (r ) Yes  | Yes
3 | openSUSE:repo-oss        | repo-oss        | Yes     | (r ) Yes  | Yes
4 | openSUSE:repo-oss-debug  | repo-oss-debug  | No      | ----      | ----
5 | openSUSE:repo-oss-source | repo-oss-source | No      | ----      | ----
6 | openSUSE:update-slowroll | update-slowroll | Yes     | (r ) Yes  | Yes
7 | packman                  | packman         | Yes     | (r ) Yes  | Yes


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


zypper dup
Refreshing service 'openSUSE'.
Loading repository data...
Reading installed packages...
Warning: You are about to do a distribution upgrade with all enabled repositories. Make sure these repositories are compatible before you continue. See 'man zypper' for more information about this command.
Computing distribution upgrade...

The following 4 packages are going to be upgraded:
  ImageMagick libfreerdp2-2 libqt5-qtwebengine libwinpr2-2

The following package is going to be REMOVED:
  ImageMagick-config-7-SUSE

4 packages to upgrade, 1 to remove.
Overall download size: 0 B. Already cached: 49.4 MiB. After the operation,
additional 304.3 KiB will be used.

Backend:  classic_rpmtrans
Continue? [y/n/v/...? shows all options] (y):
In cache ImageMagick-7.1.1.32-1.1.x86_64.rpm                                    (1/4), 146.8 KiB    
In cache libqt5-qtwebengine-5.15.17-1.0.6.1.sr20240429.x86_64.rpm               (2/4),  48.0 MiB    
In cache libwinpr2-2-2.11.5-3.0.2.1.sr20240429.x86_64.rpm                       (3/4), 350.7 KiB    
In cache libfreerdp2-2-2.11.5-3.0.2.1.sr20240429.x86_64.rpm                     (4/4), 942.7 KiB    

Checking for file conflicts: .................................................................[done]
update-alternatives: error: no alternatives for ImageMagick-7
error: %prein(ImageMagick-7.1.1.32-1.1.x86_64) scriptlet failed, exit status 2
error: ImageMagick-7.1.1.32-1.1.x86_64: install failed
error: ImageMagick-config-7-SUSE-7.1.1.26-1.5.x86_64: erase skipped
error: ImageMagick-7.1.1.26-1.5.x86_64: erase skipped
(1/4) Installing: ImageMagick-7.1.1.32-1.1.x86_64 ...........................................[error]
Installation of ImageMagick-7.1.1.32-1.1.x86_64 failed:
Error: Subprocess failed. Error: RPM failed: Command exited with status 1.
Abort, retry, ignore? [a/r/i] (a): i
(2/4) Installing: libqt5-qtwebengine-5.15.17-1.0.6.1.sr20240429.x86_64 .......................[done]
(3/4) Installing: libwinpr2-2-2.11.5-3.0.2.1.sr20240429.x86_64 ...............................[done]
(4/4) Installing: libfreerdp2-2-2.11.5-3.0.2.1.sr20240429.x86_64 .............................[done]
Running post-transaction scripts .............................................................[done]

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

And once more:


zypper dup
Refreshing service 'openSUSE'.
Loading repository data...
Reading installed packages...
Warning: You are about to do a distribution upgrade with all enabled repositories. Make sure these repositories are compatible before you continue. See 'man zypper' for more information about this command.
Computing distribution upgrade...

The following package is going to be upgraded:
  ImageMagick

The following package is going to be REMOVED:
  ImageMagick-config-7-SUSE

1 package to upgrade, 1 to remove.
Overall download size: 146.8 KiB. Already cached: 0 B. After the operation, additional 26.8 KiB will
be used.

Backend:  classic_rpmtrans
Continue? [y/n/v/...? shows all options] (y):
Retrieving: ImageMagick-7.1.1.32-1.1.x86_64 (update-slowroll)                   (1/1), 146.8 KiB    
Retrieving: ImageMagick-7.1.1.32-1.1.x86_64.rpm ................................[done (147.0 KiB/s)]

Checking for file conflicts: .................................................................[done]
update-alternatives: error: no alternatives for ImageMagick-7
error: %prein(ImageMagick-7.1.1.32-1.1.x86_64) scriptlet failed, exit status 2
error: ImageMagick-7.1.1.32-1.1.x86_64: install failed
error: ImageMagick-config-7-SUSE-7.1.1.26-1.5.x86_64: erase skipped
error: ImageMagick-7.1.1.26-1.5.x86_64: erase skipped
(1/1) Installing: ImageMagick-7.1.1.32-1.1.x86_64 ...........................................[error]
Installation of ImageMagick-7.1.1.32-1.1.x86_64 failed:
Error: Subprocess failed. Error: RPM failed: Command exited with status 1.
Abort, retry, ignore? [a/r/i] (a):
Problem occurred during or after installation or removal of packages:
Installation has been aborted as directed.
Please see the above error message for a hint.