FILE A MOTION TO MODIFY CHILD AND SPOUSAL SUPPORT. You will only be able to modify it retroactive to when you have filed the motion, so until you file it you are accruing arrears. You will owe the support amount until you get a new court order that says otherwise so do NOT delay. Go to your local self help center or find the documents online. Good luck.
Please note that this answer does not constitute legal advice, and should not be relied on, as each situation is fact specific, and it is not possible to evaluate a legal problem without a comprehensive consultation and review of all the facts and court pleadings filed in the case. This answer does not create an attorney-client relationship.