Storage usage quota exceeded. Cannot update or delete a server farm. Your current usage is 110595 Mb and quota after the operation will be 110592 Mb. Please make sure your file system storage of the remaining App Service Plans in this ResourceGroup and Region is below the combined limit of the target pricing tier’s. See: File System Storage Blade or https://aka.ms/AppServiceLimits.
Solution:- Add a new free app service plan which will increase another 1 GB to the to total quota