I have a webform that anonymous users fill out. I would like to use the preview button, but I'm getting php warnings (see below) when the 'previous' button is used and the table values are not saved. I see the note on the main project page for this module that preview works if you hit save first, but you can't save it if you're not an authenticated user. Is there any workaround for this issue with anonymous users?
Warning: array_key_exists() expects parameter 2 to be array, null given in _array_key_delete_recursive() (line 708 of /srv/bindings/f905c48d2c1044a088aad0cf194912dd/code/sites/all/modules/webform_table_element/webform_table_element.module).
Warning: Invalid argument supplied for foreach() in _array_key_delete_recursive() (line 709 of /srv/bindings/f905c48d2c1044a088aad0cf194912dd/code/sites/all/modules/webform_table_element/webform_table_element.module).
Warning: array_key_exists() expects parameter 2 to be array, null given in _array_key_delete_recursive() (line 708 of /srv/bindings/f905c48d2c1044a088aad0cf194912dd/code/sites/all/modules/webform_table_element/webform_table_element.module).
Warning: Invalid argument supplied for foreach() in _array_key_delete_recursive() (line 709 of /srv/bindings/f905c48d2c1044a088aad0cf194912dd/code/sites/all/modules/webform_table_element/webform_table_element.module).
Warning: array_key_exists() expects parameter 2 to be array, null given in _array_key_delete_recursive() (line 708 of /srv/bindings/f905c48d2c1044a088aad0cf194912dd/code/sites/all/modules/webform_table_element/webform_table_element.module).
Warning: Invalid argument supplied for foreach() in _array_key_delete_recursive() (line 709 of /srv/bindings/f905c48d2c1044a088aad0cf194912dd/code/sites/all/modules/webform_table_element/webform_table_element.module).
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