bunch of errors after installing, when trying to translate a node

at node pages like node/259/translate I get:

Notice: Trying to get property of non-object in i18n_access_translation_node_overview() (line 230 of /home/gezond/public_html/sites/all/modules/i18n_access/i18n_access.module).
Notice: Trying to get property of non-object in i18n_access_translation_node_overview() (line 231 of /home/gezond/public_html/sites/all/modules/i18n_access/i18n_access.module).
Notice: Trying to get property of non-object in i18n_node_language_options() (line 205 of /home/gezond/public_html/sites/all/modules/i18n/i18n_node/i18n_node.module).
Notice: Trying to get property of non-object in i18n_access_translation_node_overview() (line 273 of /home/gezond/public_html/sites/all/modules/i18n_access/i18n_access.module).
Notice: Trying to get property of non-object in i18n_access_translation_node_overview() (line 274 of /home/gezond/public_html/sites/all/modules/i18n_access/i18n_access.module).
Notice: Trying to get property of non-object in i18n_access_translation_node_overview() (line 273 of /home/gezond/public_html/sites/all/modules/i18n_access/i18n_access.module).
Notice: Trying to get property of non-object in i18n_access_translation_node_overview() (line 274 of /home/gezond/public_html/sites/all/modules/i18n_access/i18n_access.module).
Notice: Trying to get property of non-object in i18n_access_translation_node_overview() (line 273 of /home/gezond/public_html/sites/all/modules/i18n_access/i18n_access.module).
Notice: Trying to get property of non-object in i18n_access_translation_node_overview() (line 274 of /home/gezond/public_html/sites/all/modules/i18n_access/i18n_access.module).
Notice: Trying to get property of non-object in i18n_access_translation_node_overview() (line 286 of /home/gezond/public_html/sites/all/modules/i18n_access/i18n_access.module).
Notice: Undefined index: i18n_node_select_translation in drupal_retrieve_form() (line 760 of /home/gezond/public_html/includes/form.inc).
Warning: call_user_func_array() expects parameter 1 to be a valid callback, function 'i18n_node_select_translation' not found or invalid function name in drupal_retrieve_form() (line 795 of /home/gezond/public_html/includes/form.inc).