Not sure where to post this bug report:

Date: 29-Apr-23 19:27:55
An error occurred in FredoCorner
An error occured in the Ruby code

undefined method `ptcross=' for nil:NilClass

fredocorneralgo.rbe: 2320 -- brane_free_chemin
fredocorneralgo.rbe: 2057 -- block in catena_process_branes_protected
fredocorneralgo.rbe: 2047 -- each
fredocorneralgo.rbe: 2047 -- catena_process_branes_protected
fredocorneralgo.rbe: 2009 -- block in catena_process_branes
fredocorneralgo.rbe: 2008 -- catch
fredocorneralgo.rbe: 2008 -- catena_process_branes
fredocorneralgo.rbe: 965 -- block in solid_construct_branes
fredocorneralgo.rbe: 964 -- each
fredocorneralgo.rbe: 964 -- solid_construct_branes
fredocorneralgo.rbe: 919 -- block in solid_reconstruction
fredocorneralgo.rbe: 918 -- each
fredocorneralgo.rbe: 918 -- solid_reconstruction
fredocorneralgo.rbe: 883 -- solid_add_remove_edges
fredocornertool.rbe: 1840 -- selection_change
fredocornertool.rbe: 1828 -- selection_add_remove_edges
fredocornertool.rbe: 1851 -- selection_set
fredocornertool.rbe: 1533 -- block in preselection_instantiate
fredocornertool.rbe: 1530 -- each
fredocornertool.rbe: 1530 -- preselection_instantiate
fredocornertool.rbe: 1525 -- preselection_analyze
fredocornertool.rbe: 761 -- true_activate
fredocornertool.rbe: 746 -- block in activate
lib6plugin.rbe: 1812 -- block in tem_context
lib6plugin.rbe: 1896 -- tem_context
fredocornertool.rbe: 746 -- activate
fredocornertool.rbe: 194 -- select_tool
fredocornertool.rbe: 194 -- launch
fredocornertool.rbe: 176 -- action__mapping
data6.rb: 65 -- call
data6.rb: 65 -- launch_action
lib6plugin.rbe: 240 -- launch_action
bootstrap_fredocorner.rbe: 103 -- launch_action
bootstrap_fredocorner.rbe: 118 -- block in startup
lib6plugin.rbe: 1469 -- command_invoke
lib6plugin.rbe: 1449 -- block (2 levels) in build_config_commands
lib6traductor.rbe: 1385 -- block in add_command