Error loading /config/configuration.yaml

I’m encountering an issue with my Home Assistant configuration and could really use some help. I’ve been troubleshooting for a while but can’t seem to resolve it. Here is the error message I’m getting:

Configuration errors
Error loading /config/configuration.yaml: while scanning a simple key
in “/config/configuration.yaml”, line 12, column 1
could not find expected ‘:’
in “/config/configuration.yaml”, line 13, column 1


Second -

can not read a block mapping entry; a multiline key may not be an implicit key (183:717)

180 | …
181 | …
182 | …
183 | … ust be a ‘css’ function result: ${t}. Use ‘unsafeCSS’ to pass …
------------------------------------------^
184 | …

configuration.yaml

 * @license
 * Copyright (c) 2017 The Polymer Project Authors. All rights reserved.
 * This code may only be used under the BSD style license found at
 * http://polymer.github.io/LICENSE.txt
 * The complete set of authors may be found at
 * http://polymer.github.io/AUTHORS.txt
 * The complete set of contributors may be found at
 * http://polymer.github.io/CONTRIBUTORS.txt
 * Code distributed by Google as part of the polymer project is also
 * subject to an additional IP rights grant found at
 * http://polymer.github.io/PATENTS.txt
 */
const J=t=>e=>"function"==typeof e?((t,e)=>(window.customElements.define(t,e),e))(t,e):((t,e)=>{const{kind:i,elements:r}=e;return{kind:i,elements:r,finisher(e){window.customElements.define(t,e)}}})(t,e),X=(t,e)=>"method"===e.kind&&e.descriptor&&!("value"in e.descriptor)?Object.assign(Object.assign({},e),{finisher(i){i.createProperty(e.key,t)}}):{kind:"field",key:Symbol(),placement:"own",descriptor:{},initializer(){"function"==typeof e.initializer&&(this[e.key]=e.initializer.call(this))},finisher(i){i.createProperty(e.key,t)}};function Y(t){return(e,i)=>void 0!==i?((t,e,i)=>{e.constructor.createProperty(i,t)})(t,e,i):X(t,e)}const K=t=>function(t){return Y({attribute:!1,hasChanged:null==t?void 0:t.hasChanged})}(t)
/**
@license
 * Copyright (c) 2019 The Polymer Project Authors. All rights reserved.
 * This code may only be used under the BSD style license found at
 * http://polymer.github.io/LICENSE.txt The complete set of authors may be found at
 * http://polymer.github.io/AUTHORS.txt The complete set of contributors may be
 * found at http://polymer.github.io/CONTRIBUTORS.txt Code distributed by Google as
 * part of the polymer project is also subject to an additional IP rights grant
 * found at http://polymer.github.io/PATENTS.txt
 * Q=window.ShadowRoot&&(void 0===window.unsafeCSS||window.ShadyCSS.nativeShadow)&&"adoptedStyleSheets"in Document.prototype&&"replace"in CSSStyleSheet.prototype,tt=Symbol();class et{constructor(t,e){if(e!==tt)throw new Error("CSSResult is not constructable. Use `unsafeCSS` or `css` instead.");this.cssText=t}get styleSheet(){return void 0===this._styleSheet&&(Q?(this._styleSheet=new CSSStyleSheet,this._styleSheet.replaceSync(this.cssText)):this._styleSheet=null),this._styleSheet}toString(){return this.cssText}}const it=(t,...e)=>{const i=e.reduce(((e,i,r)=>e+(t=>{if(t instanceof et)return t.cssText;if("number"==typeof t)return t;throw new Error(`Value passed to 'css' function must be a 'css' function result: ${t}. Use 'unsafeCSS' to pass non-literal values, but\n            take care to ensure page security.`)})(i)+t[r+1]),t[0]);return new et(i,tt)};
 * @license
 * Copyright (c) 2017 The Polymer Project Authors. All rights reserved.
 * This code may only be used under the BSD style license found at
 * http://polymer.github.io/LICENSE.txt
 * The complete set of authors may be found at
 * http://polymer.github.io/AUTHORS.txt
 * The complete set of contributors may be found at
 * http://polymer.github.io/CONTRIBUTORS.txt
 * Code distributed by Google as part of the polymer project is also
 * subject to an additional IP rights grant found at
 * http://polymer.github.io/PATENTS.txt
 */
 * (window.litElementVersions||(window.litElementVersions=[])).push("2.5.1");const rt={};class ot extends Z{static getStyles(){return this.styles}static _getUniqueStyles(){if(this.hasOwnProperty(JSCompiler_renameProperty("_styles",this)))return;const t=this.getStyles();if(Array.isArray(t)){const e=(t,i)=>t.reduceRight(((t,i)=>Array.isArray(i)?e(i,t):(t.add(i),t)),i),i=e(t,new Set),r=[];i.forEach((t=>r.unshift(t))),this._styles=r}else this._styles=void 0===t?[]:[t];this._styles=this._styles.map((t=>{if(t instanceof CSSStyleSheet&&!Q){const e=Array.prototype.slice.call(t.cssRules).reduce(((t,e)=>t+e.cssText),"");return new et(String(e),tt)}return t}))}initialize(){super.initialize(),this.constructor._getUniqueStyles(),this.renderRoot=this.createRenderRoot(),window.ShadowRoot&&this.renderRoot instanceof window.ShadowRoot&&this.adoptStyles()}createRenderRoot(){return this.attachShadow(this.constructor.shadowRootOptions)}adoptStyles(){const t=this.constructor._styles;0!==t.length&&(void 0===window.ShadyCSS||window.ShadyCSS.nativeShadow?Q?this.renderRoot.adoptedStyleSheets=t.map((t=>t instanceof CSSStyleSheet?t:t.styleSheet)):this._needsShimAdoptedStyleSheets=!0:window.ShadyCSS.ScopingShim.prepareAdoptedCssText(t.map((t=>t.cssText)),this.localName))}connectedCallback(){super.connectedCallback(),this.hasUpdated&&void 0!==window.ShadyCSS&&window.ShadyCSS.styleElement(this)}update(t){const e=this.render();super.update(t),e!==rt&&this.constructor.render(e,this.renderRoot,{scopeName:this.localName,eventContext:this}),this._needsShimAdoptedStyleSheets&&(this._needsShimAdoptedStyleSheets=!1,this.constructor._styles.forEach((t=>{const e=document.createElement("style");e.textContent=t.cssText,this.renderRoot.appendChild(e)})))}render(){return rt}}ot.finalized=!0,ot.render=(t,e,r)=>{if(!r||"object"!=typeof r||!r.scopeName)throw new Error("The `scopeName` option is required.");const o=r.scopeName,n=j.has(e),s=z&&11===e.nodeType&&!!e.host,a=s&&!B.has(o),l=a?document.createDocumentFragment():e;if(((t,e,r)=>{let o=j.get(e);void 0===o&&(i(e,e.firstChild),j.set(e,o=new C(Object.assign({templateFactory:N},r))),o.appendInto(e)),o.setValue(t),o.commit()})(t,l,Object.assign({templateFactory:U(o)},r)),a){const t=j.get(l);j.delete(l);const r=t.value instanceof y?t.value.template:void 0;F(o,l,r),i(e,e.firstChild),e.appendChild(l),j.set(e,t)}!n&&s&&window.ShadyCSS.styleElement(e.host)},ot.shadowRootOptions={mode:"open"};
/**
 * @license
 * Copyright (c) 2018 The Polymer Project Authors. All rights reserved.
 * This code may only be used under the BSD style license found at
 * http://polymer.github.io/LICENSE.txt
 * The complete set of authors may be found at
 * http://polymer.github.io/AUTHORS.txt
 * The complete set of contributors may be found at
 * http://polymer.github.io/CONTRIBUTORS.txt
 * Code distributed by Google as part of the polymer project is also
 * subject to an additional IP rights grant found at
 * http://polymer.github.io/PATENTS.txt
 */

That does not look like a configuration.yaml file.