While upgrading crrcsim to v0.9.13 in Fedora I noticed that PilatusB4.ac is now in crrcsim and crrcsim-addon-models packages.
As a workaround I excluded from installation the one from crrcsim-addon-models as it seems to be older. However, it would be nice to have just one copy of it.
[1] https://src.fedoraproject.org/rpms/crrcsim-addon-models/blob/master/f/crrcsim-addon-models.spec#_74