Forum OpenACS Development: Response to Problems with acs-content-repository content_folder and content_type

I'm unable to reproduce you're content_folder__unregister_content_type problem:

openacs4=# select * from cr_folder_type_map;
 folder_id |   content_type   
-----------+------------------
      -100 | content_revision
      -100 | image
      -100 | content_folder
      -100 | content_symlink
      -200 | content_folder
      -200 | content_symlink
      -200 | content_template
      2201 | content_folder
      2201 | content_revision
      2201 | content_symlink
      2201 | image
      2202 | content_folder
      2202 | content_revision
      2202 | content_symlink
      2202 | image
      2203 | content_folder
      2203 | content_revision
      2203 | content_symlink
      2203 | image
      2204 | content_folder
      2204 | content_revision
      2204 | content_symlink
      2204 | image
(23 rows)

openacs4=# select content_folder__unregister_content_type(2204,'content_folder','f');
NOTICE:  identifier "content_folder__unregister_content_type" will be truncated to "content_folder__unregister_cont"
 content_folder__unregister_cont 
---------------------------------
                               0
(1 row)

openacs4=# select content_folder__unregister_content_type(2204,'content_revision','t');
NOTICE:  identifier "content_folder__unregister_content_type" will be truncated to "content_folder__unregister_cont"
 content_folder__unregister_cont 
---------------------------------
                               0
(1 row)

openacs4=# 

When was the last time that you updated from cvs?