[Koha] Software error: DBIx::Class::Storage::DBI::_dbh_execute(): Duplicate entry '1' for key 'PRIMARY' at /usr/share/koha/lib/Koha/Object.pm line 121 For help, please send mail to the webmaster ([no address given]), giving this error message and the time and date of the error.

23 Jan 2018

      Dear All,

I am using koha version 17.11.01.000. When I cancel holding for a patron, I
am getting the following error. Can anyone please help me to fix this
problem? Thank you so much for your help.

With Love,
Ashok Francis,
Librarian,
New Delhi