It happens to everyone …
It is not always possible to ‘save’ all overly spicy dishes. In most cases, such failures can be somewhat neutralized.
Too acidified foods can be saved with a little sugar. Sauce (dressing, marinade) salad with too much vinegar it is best partly squeeze out salads and salad sprinkle with a little water to dilute the remaining marinade.
When you ‘escape’ hot and spicy seasonings to some extent they can be neutralized by the addition of cream in the dish. It may be helpful and add sugar, but it should be done with caution.
Salinity over-salted best best will alleviate add potatoes, cooked rice or pasta, depending on what would be a better fit in the dish is prepared.
In any case, it is necessary to potatoes, pasta or rice while cooking together with other ingredients in order to drag themselves excess salt.