When you create a sub-defect or sub-test execution that has a single select list in which the value is a space, an error is returned

Description
When you create a sub-defect or sub-test execution that has a single select list in which the value is a space, an error is returned

Pre-conditions
Create a custom field where one of the options has a space between and apply the context for an specific project:

Make the field Required

How to reproduce

From Test Coverage:

1. Create a Sub-Test Execution from a Test Coverage Issue:
2. Select the option with the space
3. Create

From the Execution page:

1. Create a Sub-Defect;
2. Select the option with the space;
3. Create;

Actual result/Attachments
Test Coverage

Execution page

Expected result
No error and the sub-defect/test execution should be created