'%' character need to be escaped

client/crons/json_check.cron

@@ -2,5 +2,5 @@
 # random minute = {{ randommin }}
 SHELL=/bin/bash
 {% for borgserver, borgdata in salt['pillar.get']('borg:servers').items() %}{% if borgdata['pool'] in grains['pool'] %}
-{{ randommin + loop.index }} 5 * * * root PATH=$PATH:/usr/bin:/usr/local/bin:/root/.local/bin BORG_PASSPHRASE="{{ borgdata['passphrase']|replace('%','\%') }}" borg list --json {{ borgdata['borguser'] }}@{{ borgserver }}:{{ borgdata['repo'] }}/{{ grains['id'] }} > /var/log/borg/`date +"%Y%m%d"`.json
+{{ randommin + loop.index }} 5 * * * root PATH=$PATH:/usr/bin:/usr/local/bin:/root/.local/bin BORG_PASSPHRASE="{{ borgdata['passphrase']|replace('%','\%') }}" borg list --json {{ borgdata['borguser'] }}@{{ borgserver }}:{{ borgdata['repo'] }}/{{ grains['id'] }} > /var/log/borg/`date +"\%Y\%m\%d"`.json
 {% endif %}{% endfor -%}