Unable to install supporting objects(custom CSS/Images) through SQL

Question

4.2.1
Hi there,
we have a Apex app which uses custom CSS/images loaded into shared objects CSS and image folders respectively. I followed the steps
http://nerd.net.au/29-apex-application-express/general-application/122-include-images-with-supporting-objects-on-apex-export-import
Now, this works fine when we manually import the application through application builder, it "prompts" if we want to install supporting objects, when yes is selected, everything gets installed.
MY problem is we have an automated patching process where the .sql application file gets installed but the supporting objects are not. So I tried bundling the supporting object as a separate .sql file but got an error
Testing options PL/SQL procedure successfully completed. declare * ERROR at line 1: ORA-20001: Package variable g_security_group_id must be set. ORA-06512: at "APEX_040200.WWV_FLOW_IMAGE_API", line 11 ORA-06512: at "APEX_040200.WWV_FLOW_IMAGE_API", line 31 ORA-06512: at
The supporting object is a button. Do I need to set the application id or security group id or something else?
begin
wwv_flow_api.g_varchar2_table := wwv_flow_api.empty_varchar2_table;
wwv_flow_api.g_varchar2_table(1) := '89504E470D0A1A0A0000000D494844520000009600000051080600000030EC5FEE000000097048597300000B1300000B1301009A9C1800000A4D6943435050686F746F73686F70204943432070726F66696C65000078DA9D53775893F7163EDFF7650F56';
wwv_flow_api.g_varchar2_table(2) := '42D8F0B1976C81002223AC08C81059A21092006184101240C585880A561415119C4855C482D50A489D88E2A028B867418A885A8B555C38EE1FDCA7B57D7AEFEDEDFBD7FBBCE79CE7FCCE79CF0F8011122691E6A26A003952853C3AD81F8F4F48C4C9BD80';
wwv_flow_api.g_varchar2_table(3) := '021548E0042010E6CBC26705C50000F00379787E74B03FFC01AF6F00020070D52E2412C7E1FF83BA50265700209100E02212E70B01905200C82E54C81400C81800B053B3640A009400006C797C422200AA0D00ECF4493E0500D8A993DC1700D8A21CA908';
wwv_flow_api.g_varchar2_table(4) := '008D0100992847240240BB00605581522C02C0C200A0AC40222E04C0AE018059B632470280BD0500768E58900F4060008099422CCC0020380200431E13CD03204C03A030D2BFE0A95F7085B8480100C0CB95CD974BD23314B895D01A77F2F0E0E221E2C2';
wwv_flow_api.g_varchar2_table(5) := '6CB142611729106609E4229C979B231348E7034CCE0C00001AF9D1C1FE383F90E7E6E4E1E666E76CEFF4C5A2FE6BF06F223E21F1DFFEBC8C020400104ECFEFDA5FE5E5D60370C701B075BF6BA95B00DA560068DFF95D33DB09A05A0AD07AF98B7938FC40';
wwv_flow_api.g_varchar2_table(6) := '1E9EA150C83C1D1C0A0B0BED2562A1BD30E38B3EFF33E16FE08B7EF6FC401EFEDB7AF000719A4099ADC0A383FD71616E76AE528EE7CB0442316EF7E723FEC7857FFD8E29D1E234B15C2C158AF15889B850224DC779B952914421C995E212E97F32F11F96';
wwv_flow_api.g_varchar2_table(7) := 'FD0993770D00AC864FC04EB607B5CB6CC07EEE01028B0E58D27600407EF32D8C1A0B91001067343279F7000093BFF98F402B0100CD97A4E30000BCE8185CA894174CC608000044A0812AB041070CC114ACC00E9CC11DBCC01702610644400C24C03C1042';
wwv_flow_api.g_varchar2_table(8) := '06E4801C0AA11896411954C03AD804B5B0031AA0119AE110B4C131380DE7E0125C81EB70170660189EC218BC86090441C8081361213A8811628ED822CE0817998E04226148349280A420E988145122C5C872A402A9426A915D4823F22D7214398D5C40FA';
wwv_flow_api.g_varchar2_table(147) := 'A514B7B6B6EA5AADA60B8582EAECEC54511471BD5EE7BEBE3EBF4E108FCA58FE9601580A68199FDAF12F8D1DDB5E3386221ADD8E3AF3CEC772A73505D60820C32BF0238E6DAF5D508DBAFFF2CFACE20C3E9A03E2789F3430B68D6DAF641BF33D8D6D63C0';
wwv_flow_api.g_varchar2_table(148) := '1ADBC68035B68D016B6C1BDBC68035B6BD46B6FF3B0074B1DD40306DC6CD0000000049454E44AE426082';
end;
declare
    l_name   varchar2(255);
begin
    l_name := 'logo.png';
  wwv_flow_api.create_or_remove_file(
     p_name=> l_name,
     p_varchar2_table=> wwv_flow_api.g_varchar2_table,
     p_mimetype=> 'image/png',
     p_location=> 'WORKSPACE',
     p_nlang=> '0',
     p_mode=> 'CREATE_OR_REPLACE',
     p_type=> 'IMAGE');
end;
/

Answer 1

Thanks Fac586! I did follow the process on those lines and was able to successfully get the images, application installed. The CSS which just had
body {
     background-color:#000000;
}Was also applied. However, it for some reason does not work. Looks like the CSS is not getting loaded. When I delete the CSS and upload it again through the shared components->CSS folder, it works fine. Not sure what the solution is!
Oh and by the way, thanks a ton for helping everyone!
Cheers,
Ryan