Issue:
When attempting to create a sprint, I see this error message: "The requested board cannot be viewed because it either does not exist or you do not have permission to view it."

After reviewing similar issues online, I am unable to resolve this permissions issue.
Here is what I have done:
- I am using a custom filter on the board and have confirmed that I own the filter and have permission to it.
- I have every admin group possible assigned to my user.
- I am a member on the project.
- I have global permissions to "Manage group filter subscriptions"
- I have permissions to manage sprints
Please know that I have imported issues from a Trello project that may have caused this problem. I also have bulked changed all issues in the project from another project.
Please help!
More screenshots:




