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Migration to Plesk fails with an error: cannot use a string pattern on a bytes-like object

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Leonid Gukhman
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kb: bug kb: fixed ext: migrator

Symptoms

Migration fails:

CONFIG_TEXT: Migration tools tried to perform operation in 3 attempts: Unable to create subscription 'example.com'.

cannot use a string pattern on a bytes-like object

Cause

Product issue:

  • #PMT-5365 "Fixed the issue where, during the migration, the error message about limits being exceeded was hidden by the “cannot use a string pattern on a bytes-like object” error message."
    Fixed in:

Resolution

Please consider updating your server:

Workaround

If update is not possible for some reason you may try the following

workaround

Until the bug is fixed, check debug log for the exact error message:

  1. Log in to Plesk.

  2. Go to Tools & Settings > Migration & Transfer Manager > Log tab.

  3. Enable the Show debug messages checkbox and expand the latest section marked with exclamation sign !, search for the found errors in Plesk knowledge base.

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