I set add_missing to on, Over a reinstall after using the postgre-sql 'drops'  present in the package
It looks like a different error, the drops form the sql do not clean all the data from file storage
At this moment i have the package in semi-install state . It appears but it does not work
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 Error: 
Failed to install File Storage, version 5.5.0d2.  The following error was generated:
psql:file-storage-create.sql:58: ERROR:  llave duplicada viola restricción de unicidad «acs_obj_types_pretty_name_un»
CONTEXT:  sentencia SQL: «insert into acs_object_types (object_type, pretty_name, pretty_plural, supertype, table_name, id_column, abstract_p, type_extension_table, package_name, name_method) values ( $1 ,  $2 ,  $3 ,  $4 ,  $5 ,  $6 ,  $7 ,  $8 ,  $9 ,  $10 )»
PL/pgSQL function "acs_object_type__create_type" line 37 at SQL statement
sentencia SQL: «SELECT  acs_object_type__create_type (  $1 ,  $2 ,  $3 ,  $4 ,  $5 ,  $6 , null, 'f', null,  $7  )»
PL/pgSQL function "content_type__create_type" line 41 at PERFORM
LINE 1: SELECT  content_template_globals.c_root_folder_id
                ^
QUERY:  SELECT  content_template_globals.c_root_folder_id
CONTEXT:  PL/pgSQL function "content_template__new" line 15 at assignment
PL/pgSQL function "content_template__new" line 6 at RETURN
PL/pgSQL function "inline_0" line 7 at assignment
psql:file-storage-create.sql:90: ERROR:  llave duplicada viola restricción de unicidad «cr_items_unique_name»
CONTEXT:  sentencia SQL: «insert into cr_items ( item_id, name, content_type, parent_id, storage_type, storage_area_key ) values (  $1 ,  $2 ,  $3 ,  $4 ,  $5 ,  $6  )»
PL/pgSQL function "content_item__new" line 97 at SQL statement
PL/pgSQL function "content_item__new" line 20 at assignment
PL/pgSQL function "content_template__new" line 27 at assignment
PL/pgSQL function "content_template__new" line 6 at RETURN
PL/pgSQL function "inline_0" line 7 at assignment
psql:file-storage-package-create.sql:756: WARNING:  cambiando el tipo de retorno de la función fs_package_items_delete_trig de «opaque» a «trigger»
psql:file-storage-package-create.sql:769: WARNING:  cambiando el tipo de retorno de la función fs_root_folder_delete_trig de «opaque» a «trigge
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