cubicweb #1251910 traceback with complex query and facets [resolved]

the following tracebacks on logilab's intranet /crm/view?rql=Any+W%2CWS%2CGROUP_CONCAT%28N%29%2CU+GROUPBY+W%2CWS%2CU+ORDERBY+WR+WHERE+W+in_state+S%2C+W+ref+WR%2C+W+subject+WS%2C+S+name+%22opened%22%2C+T%3F+tags+W%2C+T+name+N%2C+NOT+T+name+%22relations+commerciales%22%2C+U%3F+responsible_for+W

prioritynormal
typebug
done in3.9.9
load left0.000
closed by<not specified>