Server response errors with add_prep method

Hi all,

In the process of setting up our web site to automatically send a pirep, when a pilot submits his flight on our web site.

For the most part, it seems to be working as I do receive a 200SuccessUpdated 1 of 1 message however, I am also getting the following:

An Error Was Encountered

Error Triggered: [2] fwrite() expects parameter 1 to be resource, boolean given

Line 80 in file /var/www/phpvms/api/core/functions.php

An Error Was Encountered

Error Triggered: [2] mysql_fetch_object(): supplied argument is not a valid MySQL result resource

Line 237 in file /var/www/phpvms/api/models/update_model.php

An Error Was Encountered

Error Triggered: [2] mysql_num_rows() expects parameter 1 to be resource, boolean given

Line 266 in file /var/www/phpvms/api/models/update_model.php

Any idea on what these error messages mean?

Thanks in advance,