[Koha] Problem with browser

Good morning, I have a problem with my koha server. I realized that after importing a record (so before entering the copy data) the window of some browsers closes automatically (Chrome and Firefox). Before this problem did not occur (and I did not change any settings in either Koha or the server

[Koha] Duplicate ID

Good evening, we are starting to use the koha catalog for loans and we realized that when checking out of the copy after booking, when entering the copy code, the system generates this error: Software error: Duplicate ID For help, please send mail to the webmaster, giving this error message

[Koha] error occurred while importing the database structure

Good evening to all. I have tried several times to install Koha on a new server and I continue to receive database error(s). I follow the procedure step by step but I just can't understand where I'm wrong. The error I get with the webinstaller is this (then, consequently, many others). The foll

[Koha] OPAC research does not work

Hello, I'm having problems configuring Koha. I've uselessly tried solving the issue on my own and also browsing forums. After the install I started cataloging, inserting titles and texts. However once inserted for some reason they don't appear in the OPAC. I can't figure out what I'm doing wrong