[Tickets #11676] IMP and other Apps show "error when communicating with the server" when hooks.php or hooks.local.php exists

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Ticket URL: http://bugs.horde.org/ticket/11676
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  Ticket             | 11676
  Created By         | steffen.hau at rz.uni-mannheim.de
  Summary            | IMP and other Apps show "error when communicating with
                     | the server" when hooks.php or hooks.local.php exists
  Queue              | Horde Base
  Version            | 5.0.1
  Type               | Bug
  State              | Unconfirmed
  Priority           | 2. Medium
  Milestone          |
  Patch              |
  Owners             |
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steffen.hau at rz.uni-mannheim.de (2012-11-09 11:55) wrote:

Hi,

I need to enable the authusername hook to ensure, that the provided  
usernames are converted to all lower case. If I copy hooks.php.dist to  
hooks.local.php and enable the authusername function, I get  
periodically "Error when communicating with the server" error messages  
in imp and other apps. Removing hooks.local.php "solves" leads to the  
error message no longer showing up.

This happens in openSUSE 11.3 as well as in an Debian unstable.

Best regards,
Steffen