SElinux issue

[Paolo Galtieri]

Somehow my SElinux config has gotten messed up.  When I try to install a 
module I get the following error:

libsepol.context_from_record: type httpd_prewikka_rw_content_t is not 
defined (No such file or directory).
libsepol.context_from_record: could not create context structure 
(Invalid argument).
libsemanage.validate_handler: invalid context 
system_u:object_r:httpd_prewikka_rw_content_t:s0 specified for 
/usr/share/prewikka/htdocs/generated_images [all files] (Invalid argument).
libsemanage.dbase_llist_iterate: could not iterate over records (Invalid 
argument).
semodule:  Failed!

The httpd_prewikka_rw_content_t does not exist.  The directory does 
exist, but it doesn't matter whether the directory exists or not I still 
get the error.  The problem entry is in

/etc/selinux/targeted/contexts/files/file_contexts.local:/usr/share/prewikka/htdocs/generated_images 
system_u:object_r:httpd_prewikka_rw_content_t:s0

I have tried using the various selinux tools to correct the problem 
without success.

My questions are:

   1) Can I manually edit the file_contexts.local file and remove the 
problem entry?
   2) Is this sufficient?
   3) Do I need to run anything after I remove the entry to get SElinux 
to work correctly?

Here is al ls -l of /etc/selinux/targeted/contexts/files/

-rw-r--r--. 1 root root  369806 Nov 20 04:44 file_contexts
-rw-r--r--. 1 root root 1379785 Aug 22 18:55 file_contexts.bin
-rw-r--r--. 1 root root   13169 Nov 20 04:44 file_contexts.homedirs
-rw-r--r--. 1 root root   45743 Aug 22 18:55 file_contexts.homedirs.bin
-rw-r--r--. 1 root root    1092 Oct 22 18:14 file_contexts.local
-rw-r--r--. 1 root root    3936 Aug 22 18:55 file_contexts.local.bin
-rw-r--r--. 1 root root       0 Nov 20 04:43 file_contexts.subs
-rw-r--r--. 1 root root     474 Nov 20 04:43 file_contexts.subs_dist
-rw-r--r--. 1 root root     139 Nov 20 04:43 media

How are the .bin files generated?

Any assistance is greatly appreciated.

Paolo