Network request error. NFTs

I am trying to create NFTs, the code works fine when connected with backend localhost but with deployed backend it fails with below error.

Please help me to solve this error.

At the bottom of the Error it says invalid: transaction asset url too big: 102 > 96. Fix that and you should be good to go!

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The asset url that is too big, is it my backend url?

It’s the asset url that you specify in the NFT, https://developer.algorand.org/docs/get-details/transactions/transactions/#url.

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Thank you this seems to be working