You seem to be really feeling guilty about being responsible for the worry your parents are going through.
What is the communication level with your parents? Is it like a cold war from their side? How has it always been in such situations?
The best way to deal with this would be to have a clear communication from your end. It is possible it may be a misunderstanding and it is not your fault, on the other hand it may also be possible that you feel you have done something wrong. In such a situation how easy is it for you to accept your mistake and reassure them how you feel about it, and how would you ensure them it would not happen again.
In any situation I feel the best way to deal with this guilt is to keep all channels of communication open and transparent with them. Verbalising your feelings would facilitate a ventilation for you.
In case there isn't scope for this, you could try writing down all these thoughts that make it seem to feel heavy for you. And if required you could also connect to one of our experts on this platform and book a chat session or an audio session to share this guilt feeling.
All the best,