Hello Bass,
Try removing the following files and folders:
plugins/system/plg_akeebabackupupdatecheck
plugins/system/plg_aklazy
plugins/system/plg_oneclickaction
plugins/system/plg_srp
administrator/modules/mod_akadmin
If there was a problem related to Akeeba Backup you should now be able to log back into your site and reinstall Akeeba Backup.
Nicholas K. Dionysopoulos
Lead Developer and Director
🇬🇷Greek: native 🇬🇧English: excellent 🇫🇷French: basic • 🕐 My time zone is Europe / Athens
Please keep in mind my timezone and cultural differences when reading my replies. Thank you!