The answer to 'sewer repair overflowing' is that a sewer line blockage or backup is likely the cause. Common symptoms include water backing up in sinks, tubs, or toilets, slow draining fixtures, and unpleasant odors. Potential solutions include using a plunger or drain snake to clear the blockage, but if the problem persists, it's best to call a professional plumber.
Sewer line issues can be complex and dangerous to address without proper training and equipment. A professional plumber can diagnose the root cause, which could be a clogged main sewer line, tree roots infiltrating the pipes, or a collapsed sewer line. They have the tools and expertise to safely and effectively resolve the problem.