Ok! i found the actual log needed. i saw it in the nc-data folder… so i believe the issue is nextcloud can not find the encryption module, hence why it can not write the files to the server?
Look:
{“reqId”:“hIvybAp79nAe0ZB5qau5”,“level”:2,“time”:“2021-04-18T19:34:36+00:00”,“remoteAddr”:“xxx.xxx.xxx.172”,“user”:“admin”,“app”:“core”,“method”:“PUT”,“url”:"/remote.php/webdav/00100lrPORTRAIT_00100_BURST20200830184816321_COVER.jpg",“message”:{“Exception”:“OC\Encryption\Exceptions\ModuleDoesNotExistsException”,“Message”:“No default encryption module defined”,“Code”:0,“Trace”:[{“file”:"/var/www/nextcloud/lib/private/Encryption/Manager.php",“line”:190,“function”:“getDefaultEncryptionModule”,“class”:“OC\Encryption\Manager”,“type”:"->",“args”:[]},{“file”:"/var/www/nextcloud/lib/private/Files/Storage/Wrapper/Encryption.php",“line”:430,“function”:“getEncryptionModule”,“class”:“OC\Encryption\Manager”,“type”:"->",“args”:[""]},