[Upload]
ERR_UPLOAD_001 = "File type not allowed."
ERR_UPLOAD_002 = "Fail to upload, check permission or upload size."
ERR_UPLOAD_003 = "Fail to upload, original message: "
ERR_UPLOAD_004 = "Fail to upload, exceeds max file size. "

[File Operations]
ERR_FILEOP_001 = "Fail creating folder. Permission or invalid characters."
ERR_FILEOP_002 = "Folder doesn't exists."

ERR_FILEOP_003 = "Name already exists or invalid file name."
ERR_FILEOP_004 = "Fail renaming file/folder name."