Symptoms
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Custom theme/logo is reset to Plesk default after Obsidian update;
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Log
/var/log/plesk/panel.log
with debug enabled shows custom theme was replaced by default theme:[2020-01-27 09:32:58.836] DEBUG [util_exec] [5e2ef49acbde9] Stdin: {"0":"ext_heavy-metal-skin_theme_skin_updated","1":0,"2":"ext_heavy-metal-skin_theme_skin_updated","3":
{"skin":"custom-theme","scheme":"","colors":""}
,"4": {"skin":"onyx","scheme":"","colors":null}
Cause
Product issue:
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#PPPM-11511 “Updating to Plesk Obsidian now preserves a custom branding and color scheme (if it is set) and no longer changes it to the default Obsidian color scheme.”
Fixed in:- Plesk Obsidian 18 February 2020
Resolution
Please consider updating the server:
Workaround
If update is not possible for some reason, try the following
workaround
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Connect to the server via SSH
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Restore custom theme/logo with the following command:
# plesk bin branding_theme -i -vendor admin -source /usr/local/psa/mytheme.zip
More examples in documentation.