<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name='viewport' content='width=device-width, initial-scale=1.0'>
<title>OpenLayers - Errors</title>
<script src="https://cdnjs.cloudflare.com/ajax/libs/prism/1.28.0/components/prism-core.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/prism/1.28.0/plugins/autoloader/prism-autoloader.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/prism/1.28.0/plugins/toolbar/prism-toolbar.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/prism/1.28.0/plugins/copy-to-clipboard/prism-copy-to-clipboard.min.js"></script>
<link rel="stylesheet" type="text/css" href="https://fonts.googleapis.com/css?family=Quattrocento+Sans:400,400italic,700" crossorigin="anonymous">
<link rel="stylesheet" type="text/css" href="https://cdn.jsdelivr.net/npm/bootstrap@5.2.0/dist/css/bootstrap.min.css" crossorigin="anonymous">
<link rel="stylesheet" type="text/css" href="https://cdn.jsdelivr.net/npm/@fortawesome/fontawesome-free@6.1.2/css/fontawesome.min.css" crossorigin="anonymous">
<link rel="stylesheet" type="text/css" href="https://cdn.jsdelivr.net/npm/@fortawesome/fontawesome-free@6.1.2/css/solid.css" crossorigin="anonymous">
<link rel="stylesheet" type="text/css" href="https://cdn.jsdelivr.net/npm/@fortawesome/fontawesome-free@6.1.2/css/brands.css" crossorigin="anonymous">
<link rel="stylesheet" type="text/css" href="/theme/ol.css">
<link rel="stylesheet" type="text/css" href="/theme/site.css">
<link rel="icon" type="image/svg+xml" href="/theme/img/logo-light.svg" media="(prefers-color-scheme: light)" />
<link rel="icon" type="image/svg+xml" href="/theme/img/logo-dark.svg" media="(prefers-color-scheme: dark)" />
</head>
<body>
<header class="navbar navbar-expand-md navbar-dark mb-3 px-3 py-0 fixed-top" role="navigation">
<a class="navbar-brand" href="/"><img src="/theme/img/logo-dark.svg" width="70" height="70" alt=""> OpenLayers</a>
<button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#olmenu" aria-controls="olmenu" aria-expanded="false" aria-label="Toggle navigation">
<span class="navbar-toggler-icon"></span>
</button>
<!-- menu items that get hidden below 768px width -->
<nav class="collapse navbar-collapse" id="olmenu">
<ul class="nav navbar-nav ms-auto">
<li class="nav-item dropdown">
<a class="nav-link dropdown-toggle" href="#" id="docdropdown" role="button" data-bs-toggle="dropdown" aria-haspopup="true" aria-expanded="false">Docs</a>
<div class="dropdown-menu dropdown-menu-end mb-3" aria-labelledby="docdropdown">
<a class="dropdown-item" href="/doc/">Docs</a>
<div class="dropdown-divider"></div>
<a class="dropdown-item" href="/doc/quickstart.html"><i class="fa fa-check fa-fw me-2 fa-lg"></i>Quick Start</a>
<a class="dropdown-item" href="/doc/faq.html"><i class="fa fa-question fa-fw me-2 fa-lg"></i>FAQ</a>
<a class="dropdown-item" href="/doc/tutorials/"><i class="fa fa-book fa-fw me-2 fa-lg"></i>Tutorials</a>
<a class="dropdown-item" href="/workshop/"><i class="fa fa-graduation-cap fa-fw me-2 fa-lg"></i>Workshop</a>
<div class="dropdown-divider"></div>
<a class="dropdown-item" href="https://stackoverflow.com/questions/tagged/openlayers"><i class="fab fa-stack-overflow fa-fw me-2"></i>Ask a Question</a>
</div>
</li>
<li class="nav-item"><a class="nav-link" href="/en/latest/examples/">Examples</a></li>
<li class="nav-item dropdown">
<a class="nav-link dropdown-toggle" href="#" id="apidropdown" role="button" data-bs-toggle="dropdown" aria-haspopup="true" aria-expanded="false">
<i class="fa fa-sitemap me-1"></i>API
</a>
<div class="dropdown-menu dropdown-menu-end mb-3" aria-labelledby="apidropdown">
<a class="dropdown-item" href="/en/latest/apidoc/"><i class="fa fa-sitemap fa-fw me-2 fa-lg"></i>v9.1.0 (latest)</a>
<a class="dropdown-item" href="/en/v8.1.0/apidoc/"><i class="fa fa-sitemap a-fw me-2 fa-lg"></i>v8.1.0</a>
<a class="dropdown-item" href="/en/v7.5.2/apidoc/"><i class="fa fa-sitemap a-fw me-2 fa-lg"></i>v7.5.2</a>
<a class="dropdown-item" href="/en/v6.15.1/apidoc/"><i class="fa fa-sitemap a-fw me-2 fa-lg"></i>v6.15.1</a>
<a class="dropdown-item" href="/en/v5.3.0/apidoc/"><i class="fa fa-sitemap fa-fw me-2 fa-lg"></i>v5.3.0</a>
<a class="dropdown-item" href="/en/v4.6.5/apidoc/"><i class="fa fa-sitemap fa-fw me-2 fa-lg"></i>v4.6.5</a>
<a class="dropdown-item" href="/en/v3.20.1/apidoc/"><i class="fa fa-sitemap fa-fw me-2 fa-lg"></i>v3.20.1</a>
</div>
</li>
<li class="nav-item dropdown">
<a class="nav-link dropdown-toggle" href="#" id="codedropdown" role="button" data-bs-toggle="dropdown" aria-haspopup="true" aria-expanded="false">Code</a>
<div class="dropdown-menu dropdown-menu-end mb-3" aria-labelledby="codedropdown">
<a class="dropdown-item" href="https://github.com/openlayers/openlayers"><i class="fab fa-github fa-fw me-2 fa-lg"></i>Repository</a>
<a class="dropdown-item" href="/download/"><i class="fa fa-download fa-fw me-2 fa-lg"></i>Download</a>
</div>
</li>
</ul>
</nav>
</header>
<div class="container">
<h1 id="errors">Errors</h1>
<h3 id="1">1</h3>
<p>The view center is not defined.</p>
<h3 id="2">2</h3>
<p>The view resolution is not defined.</p>
<h3 id="3">3</h3>
<p>The view rotation is not defined.</p>
<h3 id="4">4</h3>
<p><code>image</code> and <code>src</code> cannot be provided at the same time.</p>
<h3 id="5">5</h3>
<p><code>imgSize</code> must be set when <code>image</code> is provided.</p>
<h3 id="6">6</h3>
<p>A defined and non-empty <code>src</code> or <code>image</code> must be provided.</p>
<h3 id="7">7</h3>
<p><code>format</code> must be set when <code>url</code> is set.</p>
<h3 id="8">8</h3>
<p>Unknown <code>serverType</code> configured.</p>
<h3 id="9">9</h3>
<p><code>url</code> must be configured or set using <code>#setUrl()</code>.</p>
<h3 id="10">10</h3>
<p>The default <code>geometryFunction</code> can only handle <code>ol/geom/Point</code> geometries.</p>
<h3 id="11">11</h3>
<p><code>options.featureTypes</code> must be an Array.</p>
<h3 id="12">12</h3>
<p><code>options.geometryName</code> must also be provided when <code>options.bbox</code> is set.</p>
<h3 id="13">13</h3>
<p>Invalid corner. Valid corners are <code>top-left</code>, <code>top-right</code>, <code>bottom-right</code> and <code>bottom-left</code>.</p>
<h3 id="14">14</h3>
<p>Invalid color. Valid colors are all <a href="https://developer.mozilla.org/en-US/docs/Web/CSS/color">CSS colors</a>.</p>
<h3 id="15">15</h3>
<p>Tried to get a value for a key that does not exist in the cache.</p>
<h3 id="16">16</h3>
<p>Tried to set a value for a key that is used already.</p>
<h3 id="17">17</h3>
<p><code>resolutions</code> must be sorted in descending order.</p>
<h3 id="18">18</h3>
<p>Either <code>origin</code> or <code>origins</code> must be configured, never both.</p>
<h3 id="19">19</h3>
<p>Number of <code>tileSizes</code> and <code>resolutions</code> must be equal.</p>
<h3 id="20">20</h3>
<p>Number of <code>origins</code> and <code>resolutions</code> must be equal.</p>
<h3 id="22">22</h3>
<p>Either <code>tileSize</code> or <code>tileSizes</code> must be configured, never both.</p>
<h3 id="24">24</h3>
<p>Invalid extent or geometry provided as <code>geometry</code>.</p>
<h3 id="25">25</h3>
<p>Cannot fit empty extent provided as <code>geometry</code>.</p>
<h3 id="26">26</h3>
<p>Features for <code>deletes</code> must have an id set by the feature reader or <code>ol.Feature#setId()</code>.</p>
<h3 id="27">27</h3>
<p>Features for <code>updates</code> must have an id set by the feature reader or <code>ol.Feature#setId()</code>.</p>
<h3 id="28">28</h3>
<p><code>renderMode</code> must be <code>'hybrid'</code> or <code>'vector'</code>.</p>
<h3 id="30">30</h3>
<p>The passed <code>feature</code> was already added to the source.</p>
<h3 id="31">31</h3>
<p>Tried to enqueue an <code>element</code> that was already added to the queue.</p>
<h3 id="32">32</h3>
<p>Transformation matrix cannot be inverted.</p>
<h3 id="33">33</h3>
<p>Invalid <code>units</code>. <code>'degrees'</code>, <code>'imperial'</code>, <code>'nautical'</code>, <code>'metric'</code> or <code>'us'</code> required.</p>
<h3 id="34">34</h3>
<p>Invalid geometry layout. Must be <code>XY</code>, <code>XYZ</code>, <code>XYM</code> or <code>XYZM</code>.</p>
<h3 id="36">36</h3>
<p>Unknown SRS type. Expected <code>"name"</code>.</p>
<h3 id="37">37</h3>
<p>Unknown geometry type found. Expected <code>'Point'</code>, <code>'LineString'</code>, <code>'Polygon'</code> or <code>'GeometryCollection'</code>.</p>
<h3 id="38">38</h3>
<p><code>styleMapValue</code> has an unknown type.</p>
<h3 id="39">39</h3>
<p>Unknown geometry type found. Expected <code>'GeometryCollection'</code>, <code>'MultiPoint'</code>, <code>'MultiLineString'</code> or <code>'MultiPolygon'</code>.</p>
<h3 id="40">40</h3>
<p>Expected <code>feature</code> to have a geometry.</p>
<h3 id="41">41</h3>
<p>Expected an <code>ol.style.Style</code> or an array of <code>ol.style.Style</code>.</p>
<h3 id="43">43</h3>
<p>Expected <code>layers</code> to be an array or an <code>ol.Collection</code>.</p>
<h3 id="47">47</h3>
<p>Expected <code>controls</code> to be an array or an <code>ol.Collection</code>.</p>
<h3 id="48">48</h3>
<p>Expected <code>interactions</code> to be an array or an <code>ol.Collection</code>.</p>
<h3 id="49">49</h3>
<p>Expected <code>overlays</code> to be an array or an <code>ol.Collection</code>.</p>
<h3 id="50">50</h3>
<p>Cannot determine Rest Service from url.</p>
<h3 id="51">51</h3>
<p>Either <code>url</code> or <code>tileJSON</code> options must be provided.</p>
<h3 id="52">52</h3>
<p>Unknown <code>serverType</code> configured.</p>
<h3 id="53">53</h3>
<p>Unknown <code>tierSizeCalculation</code> configured.</p>
<h3 id="55">55</h3>
<p>The <code>{-y}</code> placeholder requires a tile grid with extent.</p>
<h3 id="56">56</h3>
<p><code>mapBrowserEvent</code> must originate from a pointer event.</p>
<h3 id="57">57</h3>
<p>At least 2 conditions are required.</p>
<h3 id="58">58</h3>
<p>Duplicate item added to a unique collection. For example, it may be that you tried to add the same layer to a map twice. Check for calls to <code>map.addLayer()</code> or other places where the map's layer collection is modified.</p>
<h3 id="59">59</h3>
<p>Invalid command found in the PBF. This indicates that the loaded vector tile may be corrupt.</p>
<h3 id="60">60</h3>
<p>Missing or invalid <code>size</code>.</p>
<h3 id="61">61</h3>
<p>Cannot determine IIIF Image API version from provided image information JSON.</p>
<h3 id="62">62</h3>
<p>A <code>WebGLArrayBuffer</code> must either be of type <code>ELEMENT_ARRAY_BUFFER</code> or <code>ARRAY_BUFFER</code>.</p>
<h3 id="64">64</h3>
<p>Layer opacity must be a number.</p>
<h3 id="66">66</h3>
<p><code>forEachFeatureAtCoordinate</code> cannot be used on a WebGL layer if the hit detection logic has not been enabled.</p>
<h3 id="67">67</h3>
<p>A layer can only be added to the map once. Use either <code>layer.setMap()</code> or <code>map.addLayer()</code>, not both.</p>
<h3 id="68">68</h3>
<p>Data from this source can only be rendered if it has a projection compatible with the view projection.</p>
</div>
<footer>
Code licensed under the <a href='http://www.tldrlegal.com/license/bsd-2-clause-license-(freebsd)'>2-Clause BSD</a>.
All documentation <a href='http://creativecommons.org/licenses/by/3.0/'>CC BY 3.0</a>.
Thanks to our <a href='https://opencollective.com/openlayers'>sponsors</a>.
<br>
<a href="https://www.netlify.com">This site is powered by Netlify.</a>
</footer>
<script src="https://cdn.jsdelivr.net/npm/bootstrap@5.2.0/dist/js/bootstrap.bundle.min.js"></script>
</body>
</html>