[Koha] Some records are not searchable

[Ma. Victoria H. Silva-Manuel]

Hi.

We transferred our Koha to a new server. After the transfer, records
created from November 2017 to August 28, 2018 are not searchable anymore.
However, records created after the transfer are searchable.

Any idea how to fix this problem.

Thank you.

-- 
Ma. Victoria H. Silva-Manuel
Registered Librarian, 3892