template_project_id is unknown or invalid when trying to create project from template via API
Summary
When using the API and trying to create a new project from a template, an error is thrown suggesting the template project does not exist when actually it does.
Steps to reproduce
curl --request POST \
--url 'https://gitlab.com/api/v4/projects/?name=test-project-api&namespace_id=10226105&use_custom_template=true&group_with_project_templates_id=10226098&template_project_id=22702533' \
--header 'Authorization: Bearer TOKEN'Example Project
What is the current bug behavior?
An error is thrown that the template project is unknown or invalid.
What is the expected correct behavior?
The project should be created based off of the template project.
Relevant logs and/or screenshots
Output of checks
This bug happens on GitLab.com: 13.7.0-pre 7127ddad523
Workaround
Edited by Jay McCure