FAQ & Troubleshooting
Quick answers, error messages explained, device support, and how to reach support.
Articles
Common questions
Short answers to the questions DFS players ask most about plans, sites, sports, builds, projections, entries, late swap, Hero Chat, Replay, and billing.
Build problems
Every message a build can show, from the settings sheet to the finished pool, with the cause and the fix, including the plan caps and the "no lineups" outcomes.
Sim problems
Every message the simulator can show, the states in which the Contest Simulation sheet refuses to run, and the results that look wrong but are not.
Browser and device support
Which browsers work, how the phone layout differs, how to add DFS Hero to your home screen, what clearing browser data does, and what follows your account.
Contact support
Where to get help: the Help & Updates panel, the Discord, the contact form, what to include in a report, and the feedback buttons on every article.
Explore other topics
Start Here
What DFS Hero does, the full loop from entries file to upload, your first build, and the two plans.
7 articlesSlates & Contests
The Day View, slate tabs, the contest lobby, and the sports and sites DFS Hero supports.
5 articlesPlayer Pool
Read the player grid, lock and exclude players, edit projections and ownership, and use Game Sim and StackIQ.
9 articlesBuild Settings
Every setting in the Build sheet: entries, randomness, exposure, team limits, stacks, group rules, templates, and sport rules.
10 articlesLineups & Entries Preview
The lineups panel after a build: Pool vs Entries Preview, selection methods, ranking, exposure, and editing the pool.
11 articlesSimulate Contests
Score your lineups against a realistic field and real payouts, read every metric, and pick entries from the results.
8 articlesEntries & Export
Download the entries CSV from DraftKings or FanDuel, upload it, fill it with lineups, export, and upload it back.
8 articlesLate Swap
Swap unlocked players in your live entries after the first games start.
4 articlesPlaybooks & Cloud Builds
Save your build plan as a Playbook, run it in the browser, or schedule it to run before lock.
9 articlesHero Chat & Hero IQ
The assistant that reads your slate and changes your build, and the coaching insights built from your history.
4 articlesAI Agents
Connect Claude, ChatGPT, or a coding tool to your account, and let the agent research, build, fill your entries, and hand you the file.
5 articlesResults, Replay & Film Room
The Dashboard, contest results, Replay on past slates, Film Room, and Hero Jump.
5 articlesAccount, Plans & Billing
Your subscription, credits, profile, appearance, notifications, and security.
5 articlesSport Guides
Roster formats, stack defaults, sport rules, and tips for every sport DFS Hero supports.
14 articlesGlossary
Plain definitions of every DFS Hero term and every DFS term you will meet in the app.
2 articlesStill need help?
The team and community are in Discord every day.