The sentence is ambiguous doesn't sound fully natural in English. Could you provide some context?

The sentence might sound confusing because the phrase "as near as possible" is split with "to the source". This style of grammar is common while speaking, but, when writing, it's better to arrange the words without splitting the grammar phrases: "Every effort will be made to resolve the issues as near as possible to the source and as quickly as possible."

Close to the information they have to resolve something