CRM-12027 Forget to Select Contact CSV and then Import fails to web page with no next step options

Home » CiviCRM » Import

Dont select a CSV file to import.
Select Continue

Then errors below appear.
But there is no buttons the bottom to continue after correcting the error.

x
Please correct the following errors in the form fields below:
Import Data File is a required field.

Strict warning: Non-static method CRM_Import_DataSource_CSV::buildQuickForm() should not be called statically, assuming $this from incompatible context in eval() (line 1 of /var/www/clients/client1/web2/web/sites/all/modules/civicrm/CRM/Import/Form/DataSource.php(128) : eval()'d code).
Strict warning: call_user_func() expects parameter 1 to be a valid callback, non-static method HTML_QuickForm_file::_ruleIsUploadedFile() should not be called statically in HTML_QuickForm_Rule_Callback->validate() (line 77 of /var/www/clients/client1/web2/web/sites/all/modules/civicrm/packages/HTML/QuickForm/Rule/Callback.php).