@sassi sounds like your lens is either of its tracks or the motor has failed etc. It is most likely that you will have to replace the lens. Check for some possible solutions on here. Check this teardown to see if you want to tackle the job.
We have a chance to guarantee our right to repair electronic
equipment—like smartphones, computers, and even farm equipment. This is a once-in-a-generation
chance to protect local repair jobs—the corner mom-and-pop repair shops that
keep getting squeezed out by manufacturers.
Join the cause and tell your state representative to support Right to Repair. Tell them you believe repair should be fair, affordable, and accessible. Stand up for your right to repair!