[Vue Warn]: Failed to Resolve Directive: Bin

I am new to VueJS. Hi although my app is working I am getting this error in my console which blocks the jQuery.

v-for="message in messages" looping throught the object and trying to show the object. but getting this error Vue warn]: Failed to resolve directive: bin

<li v-for="message in messages" class="conversation-item">
<div class="" v-bind:class="message.direction" id="direction" title="other">
    <div class="conversation-avatar">
        <img class="rounded"
          width="36" height="36"
          src="assets/images/messenger-img.jpg"
          alt="">
        </div>
    <div v-if="message.contentType == 'file'" class="conversation-messages">
        <div class="conversation-message">
            <a class="file-link" :href="message.content" :title="message.fileName" :download="message.fileName">
                <div v-if="message.fileType == 'fileType'" class="message file-thumbnail" v-bind:style='{ backgroundImage: "url(" + message.content + ")", }'>
                </div>
                <div v-else class="message.file-thumbnail" v-bind:style='{ backgroundImage: "url(" + message | filterFile + ")", }'>
                </div>
                <div class="file-info"> 
                    <span class="file-name">@{{ message.fileName }}</span> 
                </div>
            </a>
            </div>
        <div class="conversation-timestamp">@{{ message.sentAt }}
        </div>
    </div>
    <div v-else class="conversation-messages">
        <div class="conversation-message">
            <a target="_blank" class="other_chat"></a><span>
                @{{ message.content  }}
            </span></div>
        <div class="conversation-timestamp">@{{ message.sentAt }}
        </div>
    </div>
</div>
</li>

actually this is a laravel blade so dont worry about @ sign