Warning: mcrypt_encrypt(): Key of size 10 not supported by this algorithm.

If you receive the following warning while trying to generate a qwc file on your site, take the steps listed below to correct the issue:

Warning: mcrypt_encrypt(): Key of size 10 not supported by this algorithm.

  1. Install the latest version of the plugin
  2. Once the latest version of the WooCommerce QuickBooks Integration has been installed, click the Reset QWC Users buttonQuickbooks ‹ — WordPress
  3. Re-enter the username, password and ssl path
  4. Click the Generate QWC File button
  5. Remove the old QWC file from Intuit’s webconnector
  6. Add the new QWC file from Intuit’s webconnector

After you do those steps, you shouldn’t have to take any further action.