Unable to obtain admin password: symbol lookup error: /usr/lib64/php/modules/sw-engine/ioncube_loader_lin_5.6.so: undefined symbol: zend_stream_fixup

Refers to:

  • Plesk 12.5 for Linux
  • Plesk
  • Plesk 12.0 for Linux

Created:

2016-11-16 13:22:26 UTC

Modified:

2016-12-21 20:34:22 UTC

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Unable to obtain admin password: symbol lookup error: /usr/lib64/php/modules/sw-engine/ioncube_loader_lin_5.6.so: undefined symbol: zend_stream_fixup

Symptoms

Unable to start sw-engine service after Plesk upgrade to 12.5 or obtain admin password. The following error is shown:

# plesk bin admin --show-password
/usr/bin/sw-engine: symbol lookup error: /usr/lib64/php/modules/sw-engine/ioncube_loader_lin_5.6.so: undefined symbol: zend_stream_fixup

Cause

Upgrade is not completed.

Resolution

Apply the solution from this article [KB 213363149]Plesk upgrade failed: Failed to solve dependencies .

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