This happens when you're trying to save the player options in players menu.
ERROR TypeError: "this.model.audio_option[this.oldPlayer] is undefined" onSubmithttp://10.0.0.10/0.b5b240a004abcd3eec15.chunk.js:1:573938alhttp://10.0.0.10/0.b5b240a004abcd3eec15.chunk.js:1:242416handleEventhttp://10.0.0.10/main.b9ed13a1b2f4fbe849db.bundle.js:1:218898handleEventhttp://10.0.0.10/main.b9ed13a1b2f4fbe849db.bundle.js:1:296289Ethttp://10.0.0.10/main.b9ed13a1b2f4fbe849db.bundle.js:1:198979shttp://10.0.0.10/main.b9ed13a1b2f4fbe849db.bundle.js:1:204510lhttp://10.0.0.10/main.b9ed13a1b2f4fbe849db.bundle.js:1:331542invokeTaskhttp://10.0.0.10/polyfills.b67d9fa4d5aa970cbe0f.bundle.js:1:128983onInvokeTaskhttp://10.0.0.10/main.b9ed13a1b2f4fbe849db.bundle.js:1:252347invokeTaskhttp://10.0.0.10/polyfills.b67d9fa4d5aa970cbe0f.bundle.js:1:128896runTaskhttp://10.0.0.10/polyfills.b67d9fa4d5aa970cbe0f.bundle.js:1:124153invokeTaskhttp://10.0.0.10/polyfills.b67d9fa4d5aa970cbe0f.bundle.js:1:130097dhttp://10.0.0.10/polyfills.b67d9fa4d5aa970cbe0f.bundle.js:1:118485ghttp://10.0.0.10/polyfills.b67d9fa4d5aa970cbe0f.bundle.js:1:118720