Disappearing Transaction Hash / Silent Fail

Does anyone know what it means when a transaction only shows up temporarily on Polygonscan?

I’ve been trying to integrate a dapp into Matic, but all my transactions don’t go through and don’t seem to record any errors.

The transaction shows pending, then a few minute later it doesn’t show up at all. It just says “Sorry, We are unable to locate this TxnHash”

Does anyone know what might be causing this?

Hello @Gith
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