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Unable to use Plesk login command or install/update extensions after interrupted Plesk upgrade: error while loading shared libraries

Alexander Davydov

Updated July 13, 2023 19:51

kb: technical Plesk Obsidian for Linux

Applicable to:

Plesk Obsidian for Linux

Symptoms

plesk login command fails with the following error:

# plesk login
/usr/bin/sw-engine: error while loading shared libraries: libaps.so.1: cannot open shared object file: No such file or directory
exit status 127
Updating or installing new extensions get stuck in Plesk UI forever.

Cause

Interrupted Plesk upgrade which causes Plesk and system packages to be not fully configured.

Resolution

Note: Steps below are intended only for Debian-based systems.

Connect to the server via SSH.
Configure all interrupted packages on the system:

# dpkg --configure -a
Continue Plesk upgrade:

# plesk installer

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