First, upgrade to a current release. 2.4.47 is not safe to use with
I think I'll make do without replication by now, as for me it is
almost mandatory to stick to the official Debian packages.
You failed to set a maxsize on the accesslog database, so it's
default of 10MB. You need to increase its size, as it's clearly running
out of space.
That seems weird as I get no configuration error. slaptest -d config does not complain nor
slapd in logs, but I'll double check.