Multiple warnings when trying to load an eck entity with entity_load().

Notice: Trying to get property of non-object in ECKEntity->__set() (line 587 of /Users/tom/workspace/sac/sites/all/modules/contrib/eck/eck.classes.inc). Backtrace:
ECKEntity->__set('id', '1') entity.controller.inc:250
EntityAPIController->load(Array, Array) common.inc:7788
entity_load('phoenix_tom', Array) devel.module(1285) : eval()'d code:1
eval() devel.module:1285
devel_execute_form_submit(Array, Array) form.inc:1464
form_execute_handlers('submit', Array, Array) form.inc:860
drupal_process_form('devel_execute_form', Array, Array) form.inc:374
drupal_build_form('devel_execute_form', Array) form.inc:131
drupal_get_form('devel_execute_form')
call_user_func_array('drupal_get_form', Array) menu.inc:517
menu_execute_active_handler() index.php:21

Warning: array_keys() expects parameter 1 to be array, null given in ECKEntity->__set() (line 588 of /Users/tom/workspace/sac/sites/all/modules/contrib/eck/eck.classes.inc). Backtrace:
array_keys(NULL) eck.classes.inc:588
ECKEntity->__set('id', '1') entity.controller.inc:250
EntityAPIController->load(Array, Array) common.inc:7788
entity_load('phoenix_tom', Array) devel.module(1285) : eval()'d code:1
eval() devel.module:1285
devel_execute_form_submit(Array, Array) form.inc:1464
form_execute_handlers('submit', Array, Array) form.inc:860
drupal_process_form('devel_execute_form', Array, Array) form.inc:374
drupal_build_form('devel_execute_form', Array) form.inc:131
drupal_get_form('devel_execute_form')
call_user_func_array('drupal_get_form', Array) menu.inc:517
menu_execute_active_handler() index.php:21

Warning: in_array() expects parameter 2 to be array, null given in ECKEntity->__set() (line 590 of /Users/tom/workspace/sac/sites/all/modules/contrib/eck/eck.classes.inc). Backtrace:
in_array('id', NULL) eck.classes.inc:590
ECKEntity->__set('id', '1') entity.controller.inc:250
EntityAPIController->load(Array, Array) common.inc:7788
entity_load('phoenix_tom', Array) devel.module(1285) : eval()'d code:1
eval() devel.module:1285
devel_execute_form_submit(Array, Array) form.inc:1464
form_execute_handlers('submit', Array, Array) form.inc:860
drupal_process_form('devel_execute_form', Array, Array) form.inc:374
drupal_build_form('devel_execute_form', Array) form.inc:131
drupal_get_form('devel_execute_form')
call_user_func_array('drupal_get_form', Array) menu.inc:517
menu_execute_active_handler() index.php:21

Notice: Trying to get property of non-object in ECKEntity->__set() (line 587 of /Users/tom/workspace/sac/sites/all/modules/contrib/eck/eck.classes.inc). Backtrace:
ECKEntity->__set('type', 'phoenix_tom') entity.controller.inc:250
EntityAPIController->load(Array, Array) common.inc:7788
entity_load('phoenix_tom', Array) devel.module(1285) : eval()'d code:1
eval() devel.module:1285
devel_execute_form_submit(Array, Array) form.inc:1464
form_execute_handlers('submit', Array, Array) form.inc:860
drupal_process_form('devel_execute_form', Array, Array) form.inc:374
drupal_build_form('devel_execute_form', Array) form.inc:131
drupal_get_form('devel_execute_form')
call_user_func_array('drupal_get_form', Array) menu.inc:517
menu_execute_active_handler() index.php:21

Warning: array_keys() expects parameter 1 to be array, null given in ECKEntity->__set() (line 588 of /Users/tom/workspace/sac/sites/all/modules/contrib/eck/eck.classes.inc). Backtrace:
array_keys(NULL) eck.classes.inc:588
ECKEntity->__set('type', 'phoenix_tom') entity.controller.inc:250
EntityAPIController->load(Array, Array) common.inc:7788
entity_load('phoenix_tom', Array) devel.module(1285) : eval()'d code:1
eval() devel.module:1285
devel_execute_form_submit(Array, Array) form.inc:1464
form_execute_handlers('submit', Array, Array) form.inc:860
drupal_process_form('devel_execute_form', Array, Array) form.inc:374
drupal_build_form('devel_execute_form', Array) form.inc:131
drupal_get_form('devel_execute_form')
call_user_func_array('drupal_get_form', Array) menu.inc:517
menu_execute_active_handler() index.php:21

Warning: in_array() expects parameter 2 to be array, null given in ECKEntity->__set() (line 590 of /Users/tom/workspace/sac/sites/all/modules/contrib/eck/eck.classes.inc). Backtrace:
in_array('type', NULL) eck.classes.inc:590
ECKEntity->__set('type', 'phoenix_tom') entity.controller.inc:250
EntityAPIController->load(Array, Array) common.inc:7788
entity_load('phoenix_tom', Array) devel.module(1285) : eval()'d code:1
eval() devel.module:1285
devel_execute_form_submit(Array, Array) form.inc:1464
form_execute_handlers('submit', Array, Array) form.inc:860
drupal_process_form('devel_execute_form', Array, Array) form.inc:374
drupal_build_form('devel_execute_form', Array) form.inc:131
drupal_get_form('devel_execute_form')
call_user_func_array('drupal_get_form', Array) menu.inc:517
menu_execute_active_handler() index.php:21

And it goes on and on like this for every property attached to the entity. Other than the slew of warnings, everything seems to function ok.