Consequences of the cancellation of a visa Tier 5 GAE UK


I am not a citizen of the EU. I've signed a contract for a summer internship in the UK and the company is going to sponsor a level 5 GAE visa for me (so I'll have to go to an appointment at a center in the UK. visa).

It is possible that I will have to cancel this contract due to external circumstances and that I will not use this visa. Will there be any negative consequences for my future visa applications if I cancel an appointment / cancel the process after an appointment / cancels the approved visa (depending on the state of the visa)? 39, advancing the process, I will decide not to accept the job), assuming I do this cancellation correctly?