WARNING date +%Y_%m_%d_%H_%M
In any script Autosubmit runs, e.g. in Line 5 at auto-ecearth3:
https://gitlab.cfu.local/cfu/auto-ecearth3/blob/master/templates/ecearth3/ecearth3.sim#L5
Consecutive % at a single line, produces warnings:
[WARNING] The following set of variables to be substituted in template script is not part of parameters set: set(['d_', 'Y_'])