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Hi everyone, 

I am running EPrints 3.0.3. When I call up my OAI-PMH Engine with the verb
ListSets, I get different setSpec s every time for the same set. Clicking on
the button for Records or Identifiers for that set I get an internal server
error with the following error message in my apache log.

Can't use string ("HASH(0x822656d8)") as a HA

SH ref while "strict refs" in use at
/usr/local/eprints/perl_lib/EPrints/Search/

Condition.pm line 743.\n

I think this is because the setSpec has changed in the meantime.

Following are my set definitions:

        { id=>"subjects", allow_null=>0, ↵
fields=>"subjects",
order=>"-date/title" },

        { id=>"types", allow_null=>0, ↵
fields=>"type", order=>"-date/title"
},

        { id => "authors", allow_null => 0, fields => ↵
"creators_name", order
=> "-date/title" },

The problem only occurs with sets of the type authors.  Is it because
subjects and types don’t change in the system, but new authors are being
added constantly since new eprints are being added ?

What can I do ?

Thanks

Cheers

Clyde

---------------------------------------------------------------------

Clyde Cerejo

Universität Zürich

Informatikdienste

Winterthurerstrasse 190

CH-8057 Zurich

Tel:  +41 44 63 56777

Fax: +41 44 63 54505

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[EP-tech] Set functionality in the OAI Engine