I was on cloud-hosted using AWS File Storage, now I m on self-hosted and I got this error.
InvalidAccessKeyId: The AWS Access Key Id you provided does not exist in our records.
IPS\File\Exception: CANNOT_WRITE (3)
#0 /home/############/domains/$$$$$$$$$$/public_html/system/File/File.php(351): IPS\File_Amazon->save()
#1 /home/############/domains/$$$$$$$$$$/public_html/system/Theme/Theme.php(734): IPS_File::create()
#2 /home/############/domains/$$$$$$$$$$/public_html/system/Theme/Theme.php(4625) : eval()'d code(390): IPS_Theme->resource()
#3 /home/############/domains/$$$$$$$$$$/public_html/system/Theme/Theme.php(5489): IPS\Theme\css_core_admin___core_css()
#4 /home/############/domains/$$$$$$$$$$/public_html/system/Theme/Theme.php(2644): IPS_Theme::writeCss()
#5 /home/############/domains/$$$$$$$$$$/public_html/system/Theme/Theme.php(646): IPS_Theme->compileCss()
#6 /home/############/domains/$$$$$$$$$$/public_html/system/Dispatcher/Admin.php(96): IPS_Theme->css()
#7 /home/############/domains/$$$$$$$$$$/public_html/system/Dispatcher/Dispatcher.php(110): IPS\Dispatcher_Admin->init()
#8 /home/############/domains/$$$$$$$$$$/public_html/admin/index.php(13): IPS_Dispatcher::i()
#9 {main}