If you try to import steps via a CSV file you get a crash. Import of steps should not be possible as it not possible to export them in CSV.

Trace:
2020/08/11 07:15:11 [error] 845#0: *896394 FastCGI sent in stderr: "PHP message: PHP Fatal error: Uncaught TypeError: Argument 1 passed to Tuleap\TestManagement\Step\Definition\Field\StepDefinition::doesUserWantToRemoveAllSteps() must be of the type array, string given, called in /usr/share/tuleap/plugins/testmanagement/include/TestManagement/Step/Definition/Field/StepDefinition.php on line 255 and defined in /usr/share/tuleap/plugins/testmanagement/include/TestManagement/Step/Definition/Field/StepDefinition.php:295
Stack trace:
#0 /usr/share/tuleap/plugins/testmanagement/include/TestManagement/Step/Definition/Field/StepDefinition.php(255): Tuleap\TestManagement\Step\Definition\Field\StepDefinition->doesUserWantToRemoveAllSteps('')
#1 /usr/share/tuleap/plugins/tracker/include/Tracker/FormElement/Tracker_FormElement_Field.class.php(1138): Tuleap\TestManagement\Step\Definition\Field\StepDefinition->validate(Object(Tracker_Artifact), '')
#2 /usr/share/tuleap/plugins/tracker/include/Tracker/FormElement/Tracker_FormElement_Field.class.php(1122): Tracker_FormElement_Fi" while reading response header from upstream, client: 163.172.40.194, server: try.tuleap-enterprise.com, request: "POST /plugins/tracker/?tracker=25564&func=admin-csvimport HTTP/1.1", upstream: "fastcgi://127.0.0.1:9000", host: "try.tuleap-enterprise.com", referrer: "https://try.tuleap-enterprise.com/plugins/tracker/?tracker=25564&func=admin-csvimport"
2020/08/11 07:21:47 [error] 841#0: *897459 FastCGI sent in stderr: "PHP message: PHP Fatal error: Uncaught TypeError: Argument 1 passed to Tuleap\TestManagement\Step\Definition\Field\StepDefinition::doesUserWantToRemoveAllSteps() must be of the type array, string given, called in /usr/share/tuleap/plugins/testmanagement/include/TestManagement/Step/Definition/Field/StepDefinition.php on line 255 and defined in /usr/share/tuleap/plugins/testmanagement/include/TestManagement/Step/Definition/Field/StepDefinition.php:295
Stack trace:
#0 /usr/share/tuleap/plugins/testmanagement/include/TestManagement/Step/Definition/Field/StepDefinition.php(255): Tuleap\TestManagement\Step\Definition\Field\StepDefinition->doesUserWantToRemoveAllSteps('Etape1')
#1 /usr/share/tuleap/plugins/tracker/include/Tracker/FormElement/Tracker_FormElement_Field.class.php(1138): Tuleap\TestManagement\Step\Definition\Field\StepDefinition->validate(Object(Tracker_Artifact), 'Etape1')
#2 /usr/share/tuleap/plugins/tracker/include/Tracker/FormElement/Tracker_FormElement_Field.class.php(1122): Tracker_Fo" while reading response header from upstream, client: 163.172.40.194, server: try.tuleap-enterprise.com, request: "POST /plugins/tracker/?tracker=25564&func=admin-csvimport HTTP/1.1", upstream: "fastcgi://127.0.0.1:9000", host: "try.tuleap-enterprise.com", referrer: "https://try.tuleap-enterprise.com/plugins/tracker/?tracker=25564&func=admin-csvimport"