Processes in Microsoft 365 for setting up Office apps, redeeming product keys, and activating licenses.
Hi Teike Visser,
Thanks for your post in Microsoft Community.
Based on your description, it seems like that you've encountered a problem with Microsoft Planner.
I wish I could handle your problem. However, it is more suitable for publishing on Community Hub, more users post these issues there. There are experts who can provide more professional answers in that place.
Here is the link to the forum: Security, Compliance, and Identity - Microsoft Community Hub, where you can ask detailed questions and share your ideas.
Sincerely hope that your question will be dealt with appropriately after contact the correct department. Thanks for your understanding and cooperation.
Best regards,
Thomas C - MSFT | Microsoft Community Support Specialist