FBX Animation export issuees from maya

https://sketchfab.com/3d-models/fml-df7e3388c93c47ce81a4b74fb6a5a4fb?share=68793febf659472dfd7393b0cb2468d321b26641662e7ae8dcf9c2c4990d4cda

the flags are animated, but in the sketchfab uplaod its this wonky mess… i tried loading the fbx into maya and it animated fine in there , so im really confused,

this is actually an art test for a studio so this is really hurting me :frowning: