LA Fitness literally has a web page titled DenyAccess which says your account information can't be found when trying to cancel your membership online (even if you're currently logged in) and forces

LA Fitness, Gym and Fitness Club

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Cancel a Membership

LA Fitness literally has a web page titled DenyAccess which says

2 Simple Ways to Cancel an LA Fitness Membership - wikiHow

LA Fitness, Membership, Lifestyle Fitness

2 Simple Ways to Cancel an LA Fitness Membership - wikiHow

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2 Simple Ways to Cancel an LA Fitness Membership - wikiHow

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