Tried doing a local backup and a dropbox backup and got the following message: Dropbox Backup wasn’t created. PCLZIP_ERR_READ_OPEN_FAIL (-2) : Unable to open file ‘name of the file’ in binary read mode.
Probably, you have not enough read/write rights.Please, check your right permissions of this file. They must be 0644 for files or 0755 for folders.
You can watch video tutorial how to change right permissions of the file: