Snapshot

I managed to reproduce the issue, but just putting a die(); into _int_login.inc.php, after line 307.

Can you please describe any other detail that may lead us to reproduce the issue without touching the code, just as you did?

What PHP version?

PHP 4.0.10.7

I couldn't reproduce it myself.

You know that the minimum requirement is PHP 5.2 though?

http://b2evolution.net/man/system-requirements

Sorry, it's 5.6.21