Fail compilation (adding folder with erl file to FS, bundle mod)

[Andy]

=ERROR REPORT==== 7-Jan-2016::01:30:24 ===
** Generic server active terminating 
** Last message in was {<0.45.0>,
                        {fs,file_event},
                        {"/***/apps/app1/src",
                         [created,isdir]}}
** When Server state == {state,{event,"/***/apps/app2",
                                      [deleted,isdir],
                                      done},
                               "/***"}
** Reason for termination == 
** {function_clause,[{lists,last,[[]],[{file,"lists.erl"},{line,227}]},
                     {active,compile,2,
                             [{file,"/****/deps/active/src/active.erl"},
                              {line,84}]},
                     {active,handle_info,2,
                             [{file,"/****/deps/active/src/active.erl"},
                              {line,27}]},
                     {gen_server,try_dispatch,4,
                                 [{file,"gen_server.erl"},{line,615}]},
                     {gen_server,handle_msg,5,
                                 [{file,"gen_server.erl"},{line,681}]},
                     {proc_lib,init_p_do_apply,3,
                               [{file,"proc_lib.erl"},{line,239}]}]}

maybe need active:compile(App,[]) clause