EDIT

[Tue Jun 15 14:41:08.025031 2021] [php7:notice] [pid 19252] [client 127.0.0.1:53352] PHP Fatal error:  Allowed memory size of 134217728 bytes exhausted (tried to allocate 67108872 bytes) in /home/andreas/workspaces/cdm/cdm-dataportal/modules/cdm_dataportal/cdm_api/cdm_api.module on line 1212, referer: http://edit.test/d7/cichorieae/
[Tue Jun 15 14:41:08.025108 2021] [php7:notice] [pid 19252] [client 127.0.0.1:53352] PHP Stack trace:, referer: http://edit.test/d7/cichorieae/
[Tue Jun 15 14:41:08.025175 2021] [php7:notice] [pid 19252] [client 127.0.0.1:53352] PHP   1. {main}() /home/andreas/workspaces/www/drupal-7-cdm-dataportal/web/index.php:0, referer: http://edit.test/d7/cichorieae/
[Tue Jun 15 14:41:08.025205 2021] [php7:notice] [pid 19252] [client 127.0.0.1:53352] PHP   2. menu_execute_active_handler($path = *uninitialized*, $deliver = *uninitialized*) /home/andreas/workspaces/www/drupal-7-cdm-dataportal/web/index.php:21, referer: http://edit.test/d7/cichorieae/
[Tue Jun 15 14:41:08.025268 2021] [php7:notice] [pid 19252] [client 127.0.0.1:53352] PHP   3. cdm_dataportal_view_search_advanced() /home/andreas/workspaces/www/drupal-7-cdm-dataportal/web/includes/menu.inc:527, referer: http://edit.test/d7/cichorieae/
[Tue Jun 15 14:41:08.025290 2021] [php7:notice] [pid 19252] [client 127.0.0.1:53352] PHP   4. drupal_get_form($form_id = *uninitialized*) /home/andreas/workspaces/cdm/cdm-dataportal/modules/cdm_dataportal/cdm_dataportal.module:2228, referer: http://edit.test/d7/cichorieae/
[Tue Jun 15 14:41:08.025311 2021] [php7:notice] [pid 19252] [client 127.0.0.1:53352] PHP   5. drupal_build_form($form_id = *uninitialized*, $form_state = *uninitialized*) /home/andreas/workspaces/www/drupal-7-cdm-dataportal/web/includes/form.inc:131, referer: http://edit.test/d7/cichorieae/
[Tue Jun 15 14:41:08.025332 2021] [php7:notice] [pid 19252] [client 127.0.0.1:53352] PHP   6. drupal_retrieve_form($form_id = *uninitialized*, $form_state = *uninitialized*) /home/andreas/workspaces/www/drupal-7-cdm-dataportal/web/includes/form.inc:351, referer: http://edit.test/d7/cichorieae/
[Tue Jun 15 14:41:08.025383 2021] [php7:notice] [pid 19252] [client 127.0.0.1:53352] PHP   7. cdm_dataportal_search_taxon_form_advanced($form = *uninitialized*, $form_state = *uninitialized*) /home/andreas/workspaces/www/drupal-7-cdm-dataportal/web/includes/form.inc:844, referer: http://edit.test/d7/cichorieae/
[Tue Jun 15 14:41:08.025405 2021] [php7:notice] [pid 19252] [client 127.0.0.1:53352] PHP   8. cdm_dataportal_search_taxon_form($form = *uninitialized*, $form_state = *uninitialized*, $advanced_form = *uninitialized*, $classification_select = *uninitialized*) /home/andreas/workspaces/cdm/cdm-dataportal/modules/cdm_dataportal/cdm_dataportal.search.php:595, referer: http://edit.test/d7/cichorieae/
[Tue Jun 15 14:41:08.025431 2021] [php7:notice] [pid 19252] [client 127.0.0.1:53352] PHP   9. cdm_ws_fetch_all($resourceURI = *uninitialized*, $query = *uninitialized*, $method = *uninitialized*, $absoluteURI = *uninitialized*) /home/andreas/workspaces/cdm/cdm-dataportal/modules/cdm_dataportal/cdm_dataportal.search.php:278, referer: http://edit.test/d7/cichorieae/
[Tue Jun 15 14:41:08.025452 2021] [php7:notice] [pid 19252] [client 127.0.0.1:53352] PHP  10. array_merge(*uninitialized*, *uninitialized*) /home/andreas/workspaces/cdm/cdm-dataportal/modules/cdm_dataportal/cdm_api/cdm_api.module:1212, referer: http://edit.test/d7/cichorieae/