I am a sub contractor working on a new hanger at a municipal airport in mesquite Texas. The contractor has paid me once since I started work for Oct 2022. I am contracted for earthwork, utilities and concrete. I have not been paid for Nov ($35,000) and December ($123,000). GC states they have not been paid. GC is now threatening I will be in breach of contract if I send notice of demand for payment and intent to stop work. Is this true? At this time I have billed out $340,000 and recovered 1 payment for $63,000 for October 22. Laura Perry Lauraperry123@gmail.com