The answer to 'toilet repair overflowing' is that the most common causes are a clogged drain, a problem with the toilet's flush mechanism, or a blockage in the main sewer line. Symptoms include the toilet bowl filling up with water, water backing up into the bowl, or the toilet overflowing when flushed. Solutions can range from simple DIY fixes like using a plunger or drain snake, to calling a professional plumber for more complex issues like a main sewer line blockage.
If the overflow is due to a clogged drain, you can try using a plunger or drain snake to clear the blockage. However, if the problem persists or you're unsure of the cause, it's best to call a professional plumber who can diagnose and fix the issue properly.