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Re: [EP-tech] misconfigured or failed upgrade to 3.4.1?

Hi Thomas,
"problems" is a method defined in EPrints::Plugin::InputForm::Component and EPrints::Plugin::InputForm::Component::Field::Subject is a sub-class of this class via being a sub-class of EPrints::Plugin::InputForm::Component::Field.  This means that it should be able to use this method defined in the (grand)parent class.  Check to see whether there is a "sub problems" in /usr/share/eprints/perl_lib/EPrints/Plugin/InputForm/Component.pm If there is check to make sure that their is not another InputForm/Component.pm that supersedes this (maybe in flavours/pub_lib/plugins or site_lib/plugins or under the plugins directory in your archive) that does not have a "sub problems". After this check that for your EPrints install that there is a 

@ISA = ( "EPrints::Plugin::InputForm::Component" );
line in /usr/share/eprints/perl_lib/EPrints/Plugin/InputForm/Component/Field.pm 

and a

@ISA = ( "EPrints::Plugin::InputForm::Component::Field" );
line in usr/share/eprints/perl_lib/EPrints/Plugin/InputForm/Component/Field/Subject.pm.
If everything I describe above seems to be in order, get back to me and I will see if I can think of anything else that might lead to this error. 

Regards

David Newman

On 17/11/2020 17:23, th.lauke--- via Eprints-tech wrote:

CAUTION: This e-mail originated outside the University of Southampton.

Hi all,

any idea where to start digging for reason(s) after
Software error:
Can't locate object method "problems" via package "EPrints::Plugin::InputForm::Component::Field::Subject" at /usr/share/eprints/perl_lib/EPrints/Workflow/Stage.pm line 108.

This error occurs after trying to edit any item on an instance running pub flavour.

Thanks for any hint in advance
Thomas

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