Please check that you do not have conflicting mods that affect the boombox, these may prevent YPlayBoombox from working as intended. You can disable/uninstall these mods if this happens.

You can figure out what mod is causing a conflict by disabling other mods until YPlayBoombox works again.

If you find a mod that affects YPlayBoombox from functioning properly, please get in touch:
https://thunderstore.io/c/lethal-company/p/kerotein/YPlayBoombox/wiki/1909-how-to-get-in-touch/