Playbook Checklist: Tasks not saving

For feature requests, please see:

For troubleshooting questions, please post in the following format:

I was working with my 1st playbook and suddenly I can’t save a task under my checklist. I am pressing save but still it’s not doing it.

Steps to reproduce
How can we reproduce the issue (Mattermost Version: 7.5.1)

Expected behavior
I created a checklist to be use for a knowledgebase but when I am trying to save a task under the checklists I created it’s not saving it.

Observed behavior
No error mesages encountered.

Please help me. Thanks